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<button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <nav class="pagination is-small is-centered breathe-horizontal" role="navigation" aria-label="pagination"> <a href="" class="pagination-previous is-invisible">Previous </a> <a href="/search/?searchtype=author&query=Marton%2C+J&start=50" class="pagination-next" >Next </a> <ul class="pagination-list"> <li> <a href="/search/?searchtype=author&query=Marton%2C+J&start=0" class="pagination-link is-current" aria-label="Goto page 1">1 </a> </li> <li> <a href="/search/?searchtype=author&query=Marton%2C+J&start=50" class="pagination-link " aria-label="Page 2" aria-current="page">2 </a> </li> </ul> </nav> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2410.11294">arXiv:2410.11294</a> <span> [<a href="https://arxiv.org/pdf/2410.11294">pdf</a>, <a href="https://arxiv.org/format/2410.11294">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.3390/s24237562">10.3390/s24237562 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First Linearity and Stability Characterization for CZT Detection System in a e$^+$e$^-$ Collider Environment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abbene%2C+L">Leonardo Abbene</a>, <a href="/search/physics?searchtype=author&query=Artibani%2C+F">Francesco Artibani</a>, <a href="/search/physics?searchtype=author&query=Bettelli%2C+M">Manuele Bettelli</a>, <a href="/search/physics?searchtype=author&query=Buttacavoli%2C+A">Antonino Buttacavoli</a>, <a href="/search/physics?searchtype=author&query=Principato%2C+F">Fabio Principato</a>, <a href="/search/physics?searchtype=author&query=Zappettini%2C+A">Andrea Zappettini</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">Massimiliano Bazzi</a>, <a href="/search/physics?searchtype=author&query=Borghi%2C+G">Giacomo Borghi</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">Mario Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">Michael Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">Marco Carminati</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">Alberto Clozza</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+F">Francesco Clozza</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">Luca De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">Raffaele Del Grande</a>, <a href="/search/physics?searchtype=author&query=Dulski%2C+K">Kamil Dulski</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">Laura Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">Carlo Fiorini</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">Carlo Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">Mihail Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">Masahiko Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Khreptak%2C+A">Aleksander Khreptak</a>, <a href="/search/physics?searchtype=author&query=Manti%2C+S">Simone Manti</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">Johann Marton</a>, <a href="/search/physics?searchtype=author&query=Moskal%2C+P">Pawel Moskal</a> , et al. (18 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2410.11294v2-abstract-short" style="display: inline;"> The SIDDHARTA-2 collaboration built a new cadmium-zinc-telluride (CZT, CdZnTe)-based X-ray detection system, used for the first time in the DA$桅$NE electron-positron collider at INFN-LNF. The aim of this work is to show that these detectors present optimal long- and short-term linearity and stability to perform precise spectroscopic measurements in a collider environment. The spectra used as refer… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.11294v2-abstract-full').style.display = 'inline'; document.getElementById('2410.11294v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2410.11294v2-abstract-full" style="display: none;"> The SIDDHARTA-2 collaboration built a new cadmium-zinc-telluride (CZT, CdZnTe)-based X-ray detection system, used for the first time in the DA$桅$NE electron-positron collider at INFN-LNF. The aim of this work is to show that these detectors present optimal long- and short-term linearity and stability to perform precise spectroscopic measurements in a collider environment. The spectra used as references for calibration are reported, and the results about the linearity and stability studies are presented. It is also discussed and showed what is the proper function to describe all the effects that alter the Gaussian shape in semiconductors, particularly evident in the CZT case. Good residuals and resolutions were obtained for all the calibrations. In a test run with the source and the collider beam on, it was demonstrated that the calibrations made with beam off are optimal also when the beam is on, and the actual systematics in a physics run were estimated. These promising results show the potentialities of this detector in the high rate environment of a particle collider, and pave the way for the use of CZT detectors in kaonic atoms researches and in accelerators, with applications for particle and nuclear physics. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.11294v2-abstract-full').style.display = 'none'; document.getElementById('2410.11294v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 October, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 October, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">15 pages, 9 figures, 3 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Sensors 2024, 24(23), 7562 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2405.12942">arXiv:2405.12942</a> <span> [<a href="https://arxiv.org/pdf/2405.12942">pdf</a>, <a href="https://arxiv.org/format/2405.12942">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Kaonic lead feasibility measurement at DA桅NE to solve the charged kaon mass discrepancy </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a>, <a href="/search/physics?searchtype=author&query=Abbene%2C+L">L. Abbene</a>, <a href="/search/physics?searchtype=author&query=Amsler%2C+C">C. Amsler</a>, <a href="/search/physics?searchtype=author&query=Artibani%2C+F">F. Artibani</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Buttacavoli%2C+A">A. Buttacavoli</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">M. Carminati</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+F">F. Clozza</a>, <a href="/search/physics?searchtype=author&query=Deda%2C+G">G. Deda</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R. Del Grande</a>, <a href="/search/physics?searchtype=author&query=Dulski%2C+K">K. Dulski</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">L. Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C. Fiorini</a>, <a href="/search/physics?searchtype=author&query=Fri%C5%A1%C4%8Di%C4%87%2C+I">I. Fri拧膷i膰</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M. Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Khreptak%2C+A">A. Khreptak</a>, <a href="/search/physics?searchtype=author&query=Makek%2C+M">M. Makek</a>, <a href="/search/physics?searchtype=author&query=Manti%2C+S">S. Manti</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a> , et al. (17 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2405.12942v1-abstract-short" style="display: inline;"> An HPGe detector equipped with a transistor reset preamplifier and readout with a CAEN DT5781 fast pulse digitizer was employed in the measurement of X-rays from kaonic lead at the DA$桅$NE $e^+e^-$ collider at the Laboratori Nazionali di Frascati of INFN. A thin scintillator in front of a lead target was used to select kaons impinging on it and to form the trigger for the HPGe detector. We present… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2405.12942v1-abstract-full').style.display = 'inline'; document.getElementById('2405.12942v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2405.12942v1-abstract-full" style="display: none;"> An HPGe detector equipped with a transistor reset preamplifier and readout with a CAEN DT5781 fast pulse digitizer was employed in the measurement of X-rays from kaonic lead at the DA$桅$NE $e^+e^-$ collider at the Laboratori Nazionali di Frascati of INFN. A thin scintillator in front of a lead target was used to select kaons impinging on it and to form the trigger for the HPGe detector. We present the results of the kaonic lead feasibility measurement, where we show that the resolution of the HPGe detector in regular beam conditions remains the same as that without the beam and that a satisfactory background reduction can be achieved. This measurement serves as a test bed for future dedicated kaonic X-rays measurements for the more precise determination of the charged kaon mass. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2405.12942v1-abstract-full').style.display = 'none'; document.getElementById('2405.12942v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 May, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">14 pages, 7 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2311.16144">arXiv:2311.16144</a> <span> [<a href="https://arxiv.org/pdf/2311.16144">pdf</a>, <a href="https://arxiv.org/format/2311.16144">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> SIDDHARTA-2 apparatus for kaonic atoms research on the DA$桅$NE collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Sirghi%2C+F">F. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sgaramella%2C+F">F. Sgaramella</a>, <a href="/search/physics?searchtype=author&query=Abbene%2C+L">L. Abbene</a>, <a href="/search/physics?searchtype=author&query=Amsler%2C+C">C. Amsler</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Borghi%2C+G">G. Borghi</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Buttacavoli%2C+A">A. Buttacavoli</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">M. Carminati</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Deda%2C+G">G. Deda</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R. Del Grande</a>, <a href="/search/physics?searchtype=author&query=Dulski%2C+K">K. Dulski</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">L. Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C. Fiorini</a>, <a href="/search/physics?searchtype=author&query=Fri%C5%A1%C4%8Di%C4%87%2C+I">I. Fri拧膷i膰</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M. Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Khreptak%2C+A">A. Khreptak</a>, <a href="/search/physics?searchtype=author&query=Manti%2C+S">S. Manti</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a> , et al. (19 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2311.16144v1-abstract-short" style="display: inline;"> SIDDHARTA-2 represents a state-of-the-art experiment designed to perform dedicated measurements of kaonic atoms, which are particular exotic atom configurations composed of a negatively charged kaon and a nucleus. Investigating these atoms provides an exceptional tool to comprehend the strong interactions in the non-perturbative regime involving strangeness. The experiment is installed at the DA… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2311.16144v1-abstract-full').style.display = 'inline'; document.getElementById('2311.16144v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2311.16144v1-abstract-full" style="display: none;"> SIDDHARTA-2 represents a state-of-the-art experiment designed to perform dedicated measurements of kaonic atoms, which are particular exotic atom configurations composed of a negatively charged kaon and a nucleus. Investigating these atoms provides an exceptional tool to comprehend the strong interactions in the non-perturbative regime involving strangeness. The experiment is installed at the DA$桅$NE electron-positron collider, of the INFN National Laboratory of Frascati (INFN-LNF) in Italy, aiming to perform the first-ever measurement of the 2p$\rightarrow$1s X-ray transitions in kaonic deuterium, a crucial step towards determining the isospin-dependent antikaon-nucleon scattering lengths. Based on the experience gained with the previous SIDDHARTA experiment, which performed the most precise measurement of the kaonic hydrogen 2p$\rightarrow$1s X-ray transitions, the present apparatus has been upgraded with innovative Silicon Drift Detectors (SDDs), distributed around a cryogenic gaseous target placed in a vacuum chamber at a short distance above the interaction region of the collider. We present a comprehensive description of the SIDDHARTA-2 setup including the optimization of its various components during the commissioning phase of the collider. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2311.16144v1-abstract-full').style.display = 'none'; document.getElementById('2311.16144v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 November, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">32 pages, 21 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2310.15062">arXiv:2310.15062</a> <span> [<a href="https://arxiv.org/pdf/2310.15062">pdf</a>, <a href="https://arxiv.org/format/2310.15062">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> CdZnTe detectors tested at the DA桅NE collider for future kaonic atoms measurements </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Abbene%2C+L">L. Abbene</a>, <a href="/search/physics?searchtype=author&query=Artibani%2C+F">F. Artibani</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bettelli%2C+M">M. Bettelli</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a>, <a href="/search/physics?searchtype=author&query=Borghi%2C+G">G. Borghi</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Buttacavoli%2C+A">A. Buttacavoli</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">M. Carminati</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+F">F. Clozza</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Deda%2C+G">G. Deda</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R. Del Grande</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">L. Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C. Fiorini</a>, <a href="/search/physics?searchtype=author&query=Fri%C5%A1%C4%8Di%C4%87%2C+I">I. Fri拧膷i膰</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M. Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Khreptak%2C+A">A. Khreptak</a>, <a href="/search/physics?searchtype=author&query=Manti%2C+S">S. Manti</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a> , et al. (20 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2310.15062v1-abstract-short" style="display: inline;"> The SIDDHARTA-2 collaboration at the INFN Laboratories of Frascati (LNF) aims to perform groundbreaking measurements on kaonic atoms. In parallel and beyond the ongoing kaonic deuterium, presently running on the DA$桅$NE collider at LNF, we plan to install additional detectors to perform further kaonic atoms' studies, taking advantage of the unique low energy and low momentum spread $K^-$ beam deli… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.15062v1-abstract-full').style.display = 'inline'; document.getElementById('2310.15062v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2310.15062v1-abstract-full" style="display: none;"> The SIDDHARTA-2 collaboration at the INFN Laboratories of Frascati (LNF) aims to perform groundbreaking measurements on kaonic atoms. In parallel and beyond the ongoing kaonic deuterium, presently running on the DA$桅$NE collider at LNF, we plan to install additional detectors to perform further kaonic atoms' studies, taking advantage of the unique low energy and low momentum spread $K^-$ beam delivered by the at-rest decay of the $蠁$ meson. CdZnTe devices are ideal for detecting transitions toward both the upper and lower levels of intermediate-mass kaonic atoms, like kaonic carbon and aluminium, which have an important impact on the strangeness sector of nuclear physics. We present the results obtained in a set of preliminary tests conducted on DA$桅$NE, in view of measurements foreseen in 2024, with the twofold aim to tune the timing window required to reject the extremely high electromagnetic background, and to quantify the readout electronics saturation effect due to the high rate, when placed close to the Interaction Region (IR). In the first test we used commercial devices and electronics, while for the second one both were customized at the IMEM-CNR of Parma and the University of Palermo. The results confirmed the possibility of finding and matching a proper timing window where to identify the signal events and proved better performances, in terms of energy resolution, of the custom system. In both cases, strong saturation effects were confirmed, accounting for a loss of almost 90\% of the events, which will be overcome by a dedicated shielding structure foreseen for the final experimental setup. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.15062v1-abstract-full').style.display = 'none'; document.getElementById('2310.15062v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2305.17153">arXiv:2305.17153</a> <span> [<a href="https://arxiv.org/pdf/2305.17153">pdf</a>, <a href="https://arxiv.org/format/2305.17153">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1361-6501/ad080a">10.1088/1361-6501/ad080a <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Novel Machine Learning and Differentiable Programming Techniques applied to the VIP-2 Underground Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Napolitano%2C+F">F Napolitano</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A Clozza</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R Del Grande</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C Fiorini</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M Iliescu</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Manti%2C+S">S Manti</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J Marton</a>, <a href="/search/physics?searchtype=author&query=Miliucci%2C+M">M Miliucci</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Porcelli%2C+A">A Porcelli</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A Scordo</a>, <a href="/search/physics?searchtype=author&query=Sgaramella%2C+F">F Sgaramella</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D">D Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+F">F Sirghi</a>, <a href="/search/physics?searchtype=author&query=Doce%2C+O">O Doce</a>, <a href="/search/physics?searchtype=author&query=Zmeskal%2C+J">J Zmeskal</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C Curceanu</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2305.17153v1-abstract-short" style="display: inline;"> In this work, we present novel Machine Learning and Differentiable Programming enhanced calibration techniques used to improve the energy resolution of the Silicon Drift Detectors (SDDs) of the VIP-2 underground experiment at the Gran Sasso National Laboratory (LNGS). We achieve for the first time a Full Width at Half Maximum (FWHM) in VIP-2 below 180 eV at 8 keV, improving around 10 eV on the pre… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.17153v1-abstract-full').style.display = 'inline'; document.getElementById('2305.17153v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2305.17153v1-abstract-full" style="display: none;"> In this work, we present novel Machine Learning and Differentiable Programming enhanced calibration techniques used to improve the energy resolution of the Silicon Drift Detectors (SDDs) of the VIP-2 underground experiment at the Gran Sasso National Laboratory (LNGS). We achieve for the first time a Full Width at Half Maximum (FWHM) in VIP-2 below 180 eV at 8 keV, improving around 10 eV on the previous state-of-the-art. SDDs energy resolution is a key parameter in the VIP-2 experiment, which is dedicated to searches for physics beyond the standard quantum theory, targeting Pauli Exclusion Principle (PEP) violating atomic transitions. Additionally, we show that this method can correct for potential miscalibrations, requiring less fine-tuning with respect to standard methods. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.17153v1-abstract-full').style.display = 'none'; document.getElementById('2305.17153v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 May, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Submitted to Measurement Science and Technology</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> 2024 Meas. Sci. Technol. 35 025501 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2304.11352">arXiv:2304.11352</a> <span> [<a href="https://arxiv.org/pdf/2304.11352">pdf</a>, <a href="https://arxiv.org/format/2304.11352">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epja/s10050-023-00976-y">10.1140/epja/s10050-023-00976-y <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurements of high-n transitions in intermediate mass kaonic atoms by SIDDHARTA-2 at DA$\mathrm桅$NE </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Sgaramella%2C+F">F. Sgaramella</a>, <a href="/search/physics?searchtype=author&query=T%C3%BCchler%2C+M">M. T眉chler</a>, <a href="/search/physics?searchtype=author&query=Amsler%2C+C">C. Amsler</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">M. Carminati</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Deda%2C+G">G. Deda</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R. Del Grande</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">L. Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C. Fiorini</a>, <a href="/search/physics?searchtype=author&query=Fri%C5%A1%C4%8Di%C4%87%2C+I">I. Fri拧膷i膰</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M. Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Khreptak%2C+A">A. Khreptak</a>, <a href="/search/physics?searchtype=author&query=Manti%2C+S">S. Manti</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Miliucci%2C+M">M. Miliucci</a>, <a href="/search/physics?searchtype=author&query=Moskal%2C+P">P. Moskal</a>, <a href="/search/physics?searchtype=author&query=Napolitano%2C+F">F. Napolitano</a>, <a href="/search/physics?searchtype=author&query=Nied%C5%BAwiecki%2C+S">S. Nied藕wiecki</a> , et al. (16 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2304.11352v1-abstract-short" style="display: inline;"> The SIDDHARTA-2 experiment installed at the DA$\mathrm桅$NE collider of INFN-LNF performed, for the first time, measurements of high-n transitions in intermediate mass kaonic atoms during the data taking campaigns of 2021 and 2022. Kaonic carbon, oxygen, nitrogen and aluminium transitions, which occur in the setup materials, were measured by using the kaons stopped in the gaseous helium target cell… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.11352v1-abstract-full').style.display = 'inline'; document.getElementById('2304.11352v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2304.11352v1-abstract-full" style="display: none;"> The SIDDHARTA-2 experiment installed at the DA$\mathrm桅$NE collider of INFN-LNF performed, for the first time, measurements of high-n transitions in intermediate mass kaonic atoms during the data taking campaigns of 2021 and 2022. Kaonic carbon, oxygen, nitrogen and aluminium transitions, which occur in the setup materials, were measured by using the kaons stopped in the gaseous helium target cell with aluminium frames and Kapton walls, and are reported in this paper. These new kaonic atoms measurements add valuable input to the kaonic atoms transitions data base, which is used as a reference for theories and models of the low-energy strong interaction between antikaon and nuclei. Moreover, these results pave the way for future dedicated kaonic atoms measurements through the whole periodic table and to a new era for the antikaon-nuclei studies at low energy. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.11352v1-abstract-full').style.display = 'none'; document.getElementById('2304.11352v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 April, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">8 pages, 7 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. A 59 (2023) 56 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2301.12253">arXiv:2301.12253</a> <span> [<a href="https://arxiv.org/pdf/2301.12253">pdf</a>, <a href="https://arxiv.org/format/2301.12253">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjs/s11734-023-00881-x">10.1140/epjs/s11734-023-00881-x <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> New opportunities for kaonic atoms measurements from CdZnTe detectors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abbene%2C+L">L. Abbene</a>, <a href="/search/physics?searchtype=author&query=Bettelli%2C+M">M. Bettelli</a>, <a href="/search/physics?searchtype=author&query=Buttacavoli%2C+A">A. Buttacavoli</a>, <a href="/search/physics?searchtype=author&query=Principato%2C+F">F. Principato</a>, <a href="/search/physics?searchtype=author&query=Zappettini%2C+A">A. Zappettini</a>, <a href="/search/physics?searchtype=author&query=Amsler%2C+C">C. Amsler</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">M. Carminati</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Deda%2C+G">G. Deda</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R. Del Grande</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">L. Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C. Fiorini</a>, <a href="/search/physics?searchtype=author&query=Fri%C5%A1%C4%8Di%C4%87%2C+I">I. Fri拧膷i膰</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M. Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Khreptak%2C+A">A. Khreptak</a>, <a href="/search/physics?searchtype=author&query=Manti%2C+S">S. Manti</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Miliucci%2C+M">M. Miliucci</a> , et al. (20 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2301.12253v1-abstract-short" style="display: inline;"> We present the tests performed by the SIDDHARTA-2 collaboration at the DA桅NE collider with a quasi-hemispherical CdZnTe detector. The very good room-temperature energy resolution and efficiency in a wide energy range show that this detector technology is ideal for studying radiative transitions in intermediate and heavy-mass kaonic atoms. The CdZnTe detector was installed for the first time in an… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2301.12253v1-abstract-full').style.display = 'inline'; document.getElementById('2301.12253v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2301.12253v1-abstract-full" style="display: none;"> We present the tests performed by the SIDDHARTA-2 collaboration at the DA桅NE collider with a quasi-hemispherical CdZnTe detector. The very good room-temperature energy resolution and efficiency in a wide energy range show that this detector technology is ideal for studying radiative transitions in intermediate and heavy-mass kaonic atoms. The CdZnTe detector was installed for the first time in an accelerator environment to perform tests on the background rejection capabilities, which were achieved by exploiting the SIDDHARTA-2 Luminosity Monitor. A spectrum with an $^{241}Am$ source has been acquired, with beams circulating in the main rings, and peak resolutions of 6% at 60 keV and of 2.2% at 511 keV have been achieved. The background suppression factor, which turned out to be of the order of $\simeq10^{5-6}$, opens the possibility to plan for future kaonic atom measurements with CdZnTe detectors. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2301.12253v1-abstract-full').style.display = 'none'; document.getElementById('2301.12253v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 January, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2208.14991">arXiv:2208.14991</a> <span> [<a href="https://arxiv.org/pdf/2208.14991">pdf</a>, <a href="https://arxiv.org/ps/2208.14991">ps</a>, <a href="https://arxiv.org/format/2208.14991">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Studies of the linearity and stability of Silicon Drift Detectors for kaonic atoms X-ray spectroscopy </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Khreptak%2C+A">A. Khreptak</a>, <a href="/search/physics?searchtype=author&query=Amsler%2C+C">C. Amsler</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">M. Carminati</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Deda%2C+G">G. Deda</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R. Del Grande</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">L. Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C. Fiorini</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M. Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Manti%2C+S">S. Manti</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Miliucci%2C+M">M. Miliucci</a>, <a href="/search/physics?searchtype=author&query=Moskal%2C+P">P. Moskal</a>, <a href="/search/physics?searchtype=author&query=Napolitano%2C+F">F. Napolitano</a>, <a href="/search/physics?searchtype=author&query=Nied%C5%BAwiecki%2C+S">S. Nied藕wiecki</a>, <a href="/search/physics?searchtype=author&query=Ohnishi%2C+H">H. Ohnishi</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Sada%2C+Y">Y. Sada</a> , et al. (14 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2208.14991v1-abstract-short" style="display: inline;"> The SIDDHARTA-2 experiment at the DA$桅$NE collider aims to perform precision measurements of kaonic atoms X-ray spectroscopy for the investigation of the antikaon-nucleon strong interaction. To achieve this goal, novel large-area Silicon Drift Detectors (SDDs) have been developed. These devices have special geometry, field configuration and readout electronics that ensure excellent performance in… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2208.14991v1-abstract-full').style.display = 'inline'; document.getElementById('2208.14991v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2208.14991v1-abstract-full" style="display: none;"> The SIDDHARTA-2 experiment at the DA$桅$NE collider aims to perform precision measurements of kaonic atoms X-ray spectroscopy for the investigation of the antikaon-nucleon strong interaction. To achieve this goal, novel large-area Silicon Drift Detectors (SDDs) have been developed. These devices have special geometry, field configuration and readout electronics that ensure excellent performance in terms of linearity and stability. The paper presents preliminary results for the linearity determination and stability monitoring of the SDDs system during the measurement of kaonic deuterium carried out in the summer of 2022. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2208.14991v1-abstract-full').style.display = 'none'; document.getElementById('2208.14991v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 31 August, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2208.03422">arXiv:2208.03422</a> <span> [<a href="https://arxiv.org/pdf/2208.03422">pdf</a>, <a href="https://arxiv.org/format/2208.03422">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.12693/APhysPolA.142.373">10.12693/APhysPolA.142.373 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First tests of the full SIDDHARTA-2 experimental apparatus with a 4 He gaseous target </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Amsler%2C+C">C. Amsler</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">M. Carminati</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Deda%2C+G">G. Deda</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R. Del Grande</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">L. Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C. Fiorini</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M. Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Khreptak%2C+A">A. Khreptak</a>, <a href="/search/physics?searchtype=author&query=King%2C+P">P. King</a>, <a href="/search/physics?searchtype=author&query=Sandri%2C+P+L">P. Levi Sandri</a>, <a href="/search/physics?searchtype=author&query=Manti%2C+S">S. Manti</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Miliucci%2C+M">M. Miliucci</a>, <a href="/search/physics?searchtype=author&query=Moskal%2C+P">P. Moskal</a>, <a href="/search/physics?searchtype=author&query=Napolitano%2C+F">F. Napolitano</a>, <a href="/search/physics?searchtype=author&query=Nied%C5%BAwiecki%2C+S">S. Nied藕wiecki</a> , et al. (16 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2208.03422v1-abstract-short" style="display: inline;"> In this paper, we present the first tests performed after the full installation of the SIDDHARTA-2 experimental apparatus on the Interaction Region of the DA桅NE collider at the INFN National Laboratories of Frascati. Before starting the first measurement of the kaonic deuterium 2p{\rightarrow}1s transition, accurate evaluation of the background rejection. mainly achieved with the Kaon Trigger syst… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2208.03422v1-abstract-full').style.display = 'inline'; document.getElementById('2208.03422v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2208.03422v1-abstract-full" style="display: none;"> In this paper, we present the first tests performed after the full installation of the SIDDHARTA-2 experimental apparatus on the Interaction Region of the DA桅NE collider at the INFN National Laboratories of Frascati. Before starting the first measurement of the kaonic deuterium 2p{\rightarrow}1s transition, accurate evaluation of the background rejection. mainly achieved with the Kaon Trigger system, was required. This run, performed in the period 04-26/05/2022 with a 4 He gaseous target, confirmed the 10^5 rejection factor obtained with a reduced version of the setup and different machine conditions in 2021. This important outcome motivated the filling of the target cell with deuterium and the starting of the measurement campaign of the kaonic deuterium 2p{\rightarrow}1s transition. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2208.03422v1-abstract-full').style.display = 'none'; document.getElementById('2208.03422v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 August, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2207.06047">arXiv:2207.06047</a> <span> [<a href="https://arxiv.org/pdf/2207.06047">pdf</a>, <a href="https://arxiv.org/format/2207.06047">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2022.167220">10.1016/j.nima.2022.167220 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First Results for the pLGAD Sensor for Low-Penetrating Particles </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Khalid%2C+W">Waleed Khalid</a>, <a href="/search/physics?searchtype=author&query=Valentan%2C+M">Manfred Valentan</a>, <a href="/search/physics?searchtype=author&query=Doblas%2C+A">Albert Doblas</a>, <a href="/search/physics?searchtype=author&query=Flores%2C+D">David Flores</a>, <a href="/search/physics?searchtype=author&query=Hidalgo%2C+S">Salvador Hidalgo</a>, <a href="/search/physics?searchtype=author&query=Konrad%2C+G">Gertrud Konrad</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">Johann Marton</a>, <a href="/search/physics?searchtype=author&query=Moffat%2C+N">Neil Moffat</a>, <a href="/search/physics?searchtype=author&query=Moser%2C+D">Daniel Moser</a>, <a href="/search/physics?searchtype=author&query=Onder%2C+S">Sebastian Onder</a>, <a href="/search/physics?searchtype=author&query=Pellegrini%2C+G">Giulio Pellegrini</a>, <a href="/search/physics?searchtype=author&query=Villegas%2C+J">Jairo Villegas</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2207.06047v2-abstract-short" style="display: inline;"> Silicon sensors are the go-to technology for high-precision sensors in particle physics. But only recently low-noise silicon sensors with internal amplification became available. The so-called Low Gain Avalanche Detector (LGAD) sensors have been developed for applications in High Energy Physics, but lack two characteristics needed for the measurement of low-energy protons (<60 keV): a thin entranc… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.06047v2-abstract-full').style.display = 'inline'; document.getElementById('2207.06047v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2207.06047v2-abstract-full" style="display: none;"> Silicon sensors are the go-to technology for high-precision sensors in particle physics. But only recently low-noise silicon sensors with internal amplification became available. The so-called Low Gain Avalanche Detector (LGAD) sensors have been developed for applications in High Energy Physics, but lack two characteristics needed for the measurement of low-energy protons (<60 keV): a thin entrance window (in the order of tens of nm) and the efficient amplification of signals created near the sensor's surface (in a depth below 1 um). In this paper we present the so-called proton Low Gain Avalanche Detector (pLGAD) sensor concept and some results from characterization of the first prototypes of the sensor. The pLGAD is specifically designed to detect low-energy protons, and other low-penetrating particles. It will have a higher detection efficiency than non-silicon technologies, and promises to be a lot cheaper and easier to operate than competing silicon technologies. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.06047v2-abstract-full').style.display = 'none'; document.getElementById('2207.06047v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 July, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 July, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 5 figuures, VCI 2022</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2201.12101">arXiv:2201.12101</a> <span> [<a href="https://arxiv.org/pdf/2201.12101">pdf</a>, <a href="https://arxiv.org/format/2201.12101">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1402-4896/ac95da">10.1088/1402-4896/ac95da <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The SIDDHARTA-2 calibration method for high precision kaonic atoms X-ray spectroscopy measurements </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Sgaramella%2C+F">F Sgaramella</a>, <a href="/search/physics?searchtype=author&query=Miliucci%2C+M">M Miliucci</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D Bosnar</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">M Carminati</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A Clozza</a>, <a href="/search/physics?searchtype=author&query=Deda%2C+G">G Deda</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R Del Grande</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C Fiorini</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M Iwasaki</a>, <a href="/search/physics?searchtype=author&query=King%2C+P">P King</a>, <a href="/search/physics?searchtype=author&query=Sandri%2C+P+L">P Levi Sandri</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J Marton</a>, <a href="/search/physics?searchtype=author&query=Moskal%2C+P">P Moskal</a>, <a href="/search/physics?searchtype=author&query=Napolitano%2C+F">F Napolitano</a>, <a href="/search/physics?searchtype=author&query=Nied%C5%BAwiecki%2C+S">S Nied藕wiecki</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A Scordo</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H Shi</a>, <a href="/search/physics?searchtype=author&query=Silarski%2C+M">M Silarski</a> , et al. (7 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2201.12101v1-abstract-short" style="display: inline;"> The SIDDHARTA-2 experiment at the DA$桅$NE collider aims to perform the first kaonic deuterium X-ray transitions to the fundamental level measurement, with a systematic error at the level of a few eV. To achieve this challenging goal the experimental apparatus is equipped with 384 Silicon Drift Detectors (SDDs) distributed around its cryogenic gaseous target. The SDDs developed by the SIDDHARTA-2 c… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.12101v1-abstract-full').style.display = 'inline'; document.getElementById('2201.12101v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2201.12101v1-abstract-full" style="display: none;"> The SIDDHARTA-2 experiment at the DA$桅$NE collider aims to perform the first kaonic deuterium X-ray transitions to the fundamental level measurement, with a systematic error at the level of a few eV. To achieve this challenging goal the experimental apparatus is equipped with 384 Silicon Drift Detectors (SDDs) distributed around its cryogenic gaseous target. The SDDs developed by the SIDDHARTA-2 collaboration are suitable for high precision kaonic atoms spectroscopy, thanks to their high energy and time resolutions combined with their radiation hardness. The energy response of each detector must be calibrated and monitored to keep the systematic error, due to processes such as gain fluctuations, at the level of 2-3 eV. This paper presents the SIDDHARTA-2 calibration method which was optimized during the preliminary phase of the experiment in the real background conditions of the DA$桅$NE collider, which is a fundamental tool to guarantee the high precision spectroscopic performances of the system over long periods of data taking, as that required for the kaonic deuterium measurement. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.12101v1-abstract-full').style.display = 'none'; document.getElementById('2201.12101v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 January, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2201.11525">arXiv:2201.11525</a> <span> [<a href="https://arxiv.org/pdf/2201.11525">pdf</a>, <a href="https://arxiv.org/format/2201.11525">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1402-4896/ac7fc0">10.1088/1402-4896/ac7fc0 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Kaonic Atoms at the DA$桅$NE Collider with the SIDDHARTA-2 Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Napolitano%2C+F">F Napolitano</a>, <a href="/search/physics?searchtype=author&query=Sgaramella%2C+F">F Sgaramella</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D Bosnar</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">M Carminati</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A Clozza</a>, <a href="/search/physics?searchtype=author&query=Deda%2C+G">G Deda</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R Del Grande</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">L Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C Fiorini</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Sandri%2C+P+L">P Levi Sandri</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J Marton</a>, <a href="/search/physics?searchtype=author&query=Miliucci%2C+M">M Miliucci</a>, <a href="/search/physics?searchtype=author&query=Moskal%2C+P">P Moskal</a>, <a href="/search/physics?searchtype=author&query=Nied%C5%BAwiecki%2C+S">S Nied藕wiecki</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A Scordo</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H Shi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D">D Sirghi</a> , et al. (7 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2201.11525v1-abstract-short" style="display: inline;"> Kaonic atoms are a unique tool to explore quantum chromodynamics in the strangeness sector at low energy, with implications reaching neutron stars and dark matter. Precision X-ray spectroscopy can fully unlock the at-threshold isospin dependent antikaon-nucleon scattering lengths, via the atomic transitions to the fundamental level. While the SIDDHARTA experiment at the INFN-LNF DA$桅$NE collider s… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.11525v1-abstract-full').style.display = 'inline'; document.getElementById('2201.11525v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2201.11525v1-abstract-full" style="display: none;"> Kaonic atoms are a unique tool to explore quantum chromodynamics in the strangeness sector at low energy, with implications reaching neutron stars and dark matter. Precision X-ray spectroscopy can fully unlock the at-threshold isospin dependent antikaon-nucleon scattering lengths, via the atomic transitions to the fundamental level. While the SIDDHARTA experiment at the INFN-LNF DA$桅$NE collider successfully measured kaonic hydrogen, its successor SIDDHARTA-2 is starting now its data taking campaign aiming to finally fully disentangle the isoscalar and isovector scattering lengths via the measurement of kaonic deuterium. An overview of the first experimental results from a preparatory run for the SIDDAHARTA-2 experiment is presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.11525v1-abstract-full').style.display = 'none'; document.getElementById('2201.11525v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 January, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">13 pages, 7 figures, to be sumbitted to Phys. Scr. - Focus on New Frontiers in Physics - Selected Papers from ICNFP 2021</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2201.09735">arXiv:2201.09735</a> <span> [<a href="https://arxiv.org/pdf/2201.09735">pdf</a>, <a href="https://arxiv.org/format/2201.09735">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1361-6471/ac5dac">10.1088/1361-6471/ac5dac <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A new kaonic helium measurement in gas by SIDDHARTINO at the DA桅NE collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Sirghi%2C+D">D Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+F">F Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sgaramella%2C+F">F Sgaramella</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D Bosnar</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">M Carminati</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A Clozza</a>, <a href="/search/physics?searchtype=author&query=Deda%2C+G">G Deda</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R Del Grande</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">L Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C Fiorini</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Sandri%2C+P+L">P Levi Sandri</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J Marton</a>, <a href="/search/physics?searchtype=author&query=Miliucci%2C+M">M Miliucci</a>, <a href="/search/physics?searchtype=author&query=Moskal%2C+P">P Moskal</a>, <a href="/search/physics?searchtype=author&query=Napolitano%2C+F">F Napolitano</a>, <a href="/search/physics?searchtype=author&query=Nied%C5%BAwiecki%2C+S">S Nied藕wiecki</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A Scordo</a> , et al. (8 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2201.09735v1-abstract-short" style="display: inline;"> The SIDDHARTINO experiment at the DA桅NE Collider of INFN-LNF, the pilot run for the SIDDHARTA-2 experiment which aims to perform the measurement of kaonic deuterium transitions to the fundamental level, has successfully been concluded. The paper reports the main results of this run, including the optimization of various components of the apparatus, among which the degrader needed to maximize the f… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.09735v1-abstract-full').style.display = 'inline'; document.getElementById('2201.09735v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2201.09735v1-abstract-full" style="display: none;"> The SIDDHARTINO experiment at the DA桅NE Collider of INFN-LNF, the pilot run for the SIDDHARTA-2 experiment which aims to perform the measurement of kaonic deuterium transitions to the fundamental level, has successfully been concluded. The paper reports the main results of this run, including the optimization of various components of the apparatus, among which the degrader needed to maximize the fraction of kaons stopped inside the target, through measurements of kaonic helium transitions to the 2p level. The obtained shift and width values are 蔚_2p = E_exp-E_e.m = 0.2 {\pm} 2.5(stat) {\pm} 2(syst) eV and 螕_2p = 8 {\pm} 10 eV (stat), respectively. This new measurement of the shift, in particular, represents the most precise one for a gaseous target and is expected to contribute to a better understanding of the kaon-nuclei interaction at low energy. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.09735v1-abstract-full').style.display = 'none'; document.getElementById('2201.09735v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 January, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2111.01572">arXiv:2111.01572</a> <span> [<a href="https://arxiv.org/pdf/2111.01572">pdf</a>, <a href="https://arxiv.org/format/2111.01572">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Silicon Drift Detectors spectroscopic response during the SIDDHARTA-2 Kaonic Helium run at the DA桅NE collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Miliucci%2C+M">Marco Miliucci</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">Massimiliano Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">Damir Bosnar</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">Mario Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">Marco Carminati</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">Michael Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">Alberto Clozza</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">Catalina Curceanu</a>, <a href="/search/physics?searchtype=author&query=Deda%2C+G">Griseld Deda</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">Luca De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">Raffaele Del Grande</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">Carlo Fiorini</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">Carlo Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">Mihail Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">Masahiko Iwasaki</a>, <a href="/search/physics?searchtype=author&query=King%2C+P">Pietro King</a>, <a href="/search/physics?searchtype=author&query=Sandri%2C+P+L">Paolo Levi Sandri</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">Johann Marton</a>, <a href="/search/physics?searchtype=author&query=Moskal%2C+P">Pawe艂 Moskal</a>, <a href="/search/physics?searchtype=author&query=Napolitano%2C+F">Fabrizio Napolitano</a>, <a href="/search/physics?searchtype=author&query=Nied%C5%BAwiecki%2C+S">Szymon Nied藕wiecki</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">Kristian Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">Alessandro Scordo</a>, <a href="/search/physics?searchtype=author&query=Sgaramella%2C+F">Francesco Sgaramella</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">Hexi Shi</a> , et al. (8 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2111.01572v1-abstract-short" style="display: inline;"> A large-area Silicon Drift Detectors (SDDs) system has been developed by the SIDDHARTA2 collaboration for high precision light kaonic atoms X-ray spectroscopy at the DA桅NE collider of Istituto Nazionale di Fisica Nucleare - Laboratori Nazionali di Frascati. The SDDs geometry and electric field configuration, combined with their read-out electronics, make these devices suitable to perform high prec… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.01572v1-abstract-full').style.display = 'inline'; document.getElementById('2111.01572v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2111.01572v1-abstract-full" style="display: none;"> A large-area Silicon Drift Detectors (SDDs) system has been developed by the SIDDHARTA2 collaboration for high precision light kaonic atoms X-ray spectroscopy at the DA桅NE collider of Istituto Nazionale di Fisica Nucleare - Laboratori Nazionali di Frascati. The SDDs geometry and electric field configuration, combined with their read-out electronics, make these devices suitable to perform high precision light kaonic atoms spectroscopy measurements in the high background of the DA桅NE collider. This work presents the spectroscopic response of the SDDs system during the kaonic helium first exotic atoms run of SIDDHARTA-2, preliminary to the kaonic deuterium data taking campaign <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.01572v1-abstract-full').style.display = 'none'; document.getElementById('2111.01572v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 November, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">submitted to Condensed Matter (MDPI) for special issue "High Precision X-ray Measurements 2021"</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2008.05472">arXiv:2008.05472</a> <span> [<a href="https://arxiv.org/pdf/2008.05472">pdf</a>, <a href="https://arxiv.org/format/2008.05472">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/15/10/P10010">10.1088/1748-0221/15/10/P10010 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Characterization of the SIDDHARTA-2 luminosity monitor </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Skurzok%2C+M">M. Skurzok</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Niedzwiecki%2C+S">S. Niedzwiecki</a>, <a href="/search/physics?searchtype=author&query=Baniahmad%2C+A">A. Baniahmad</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">M. Carminati</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R. Del Grande</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">L. Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C. Fiorini</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M. Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Sandri%2C+P+L">P. Levi Sandri</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Miliucci%2C+M">M. Miliucci</a>, <a href="/search/physics?searchtype=author&query=Moskal%2C+P">P. Moskal</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Sgaramella%2C+F">F. Sgaramella</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a> , et al. (7 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2008.05472v3-abstract-short" style="display: inline;"> A luminosity monitor, based on plastic scintillator detectors, has been developed for the SIDDHARTA-2 experiment aiming to perform high precision measurements of kaonic atoms and was installed in 2020 on the DAFNE $e^+e^-$ collider at LNF (Laboratori Nazionali di Frascati, INFN). The main goal of this system is to provide the~instantaneous and integrated luminosity of the DAFNE facility by measuri… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.05472v3-abstract-full').style.display = 'inline'; document.getElementById('2008.05472v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2008.05472v3-abstract-full" style="display: none;"> A luminosity monitor, based on plastic scintillator detectors, has been developed for the SIDDHARTA-2 experiment aiming to perform high precision measurements of kaonic atoms and was installed in 2020 on the DAFNE $e^+e^-$ collider at LNF (Laboratori Nazionali di Frascati, INFN). The main goal of this system is to provide the~instantaneous and integrated luminosity of the DAFNE facility by measuring the rate of $K^+K^-$ correlated pairs emitted by the phi meson decay. This task requires an accurate timing of the DAQ signals, as well as timing resolution below 1ns, in order to disentangle the $K^\pm$ signals from the background minimum ionizing particles (MIPs) produced during the $e^+e^-$ collisions at DAFNE. In this paper the luminosity monitor concept as well as its laboratory characterization and the first results inside DAFNE are presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.05472v3-abstract-full').style.display = 'none'; document.getElementById('2008.05472v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 October, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 12 August, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Published in JINST</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1912.12638">arXiv:1912.12638</a> <span> [<a href="https://arxiv.org/pdf/1912.12638">pdf</a>, <a href="https://arxiv.org/format/1912.12638">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Technical Design Report for the PANDA Endcap Disc DIRC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Panda+Collaboration"> Panda Collaboration</a>, <a href="/search/physics?searchtype=author&query=Davi%2C+F">F. Davi</a>, <a href="/search/physics?searchtype=author&query=Erni%2C+W">W. Erni</a>, <a href="/search/physics?searchtype=author&query=Krusche%2C+B">B. Krusche</a>, <a href="/search/physics?searchtype=author&query=Steinacher%2C+M">M. Steinacher</a>, <a href="/search/physics?searchtype=author&query=Walford%2C+N">N. Walford</a>, <a href="/search/physics?searchtype=author&query=Liu%2C+H">H. Liu</a>, <a href="/search/physics?searchtype=author&query=Liu%2C+Z">Z. Liu</a>, <a href="/search/physics?searchtype=author&query=Liu%2C+B">B. Liu</a>, <a href="/search/physics?searchtype=author&query=Shen%2C+X">X. Shen</a>, <a href="/search/physics?searchtype=author&query=Wang%2C+C">C. Wang</a>, <a href="/search/physics?searchtype=author&query=Zhao%2C+J">J. Zhao</a>, <a href="/search/physics?searchtype=author&query=Albrecht%2C+M">M. Albrecht</a>, <a href="/search/physics?searchtype=author&query=Erlen%2C+T">T. Erlen</a>, <a href="/search/physics?searchtype=author&query=Feldbauer%2C+F">F. Feldbauer</a>, <a href="/search/physics?searchtype=author&query=Fink%2C+M">M. Fink</a>, <a href="/search/physics?searchtype=author&query=Freudenreich%2C+V">V. Freudenreich</a>, <a href="/search/physics?searchtype=author&query=Fritsch%2C+M">M. Fritsch</a>, <a href="/search/physics?searchtype=author&query=Heinsius%2C+F+H">F. H. Heinsius</a>, <a href="/search/physics?searchtype=author&query=Held%2C+T">T. Held</a>, <a href="/search/physics?searchtype=author&query=Holtmann%2C+T">T. Holtmann</a>, <a href="/search/physics?searchtype=author&query=Keshk%2C+I">I. Keshk</a>, <a href="/search/physics?searchtype=author&query=Koch%2C+H">H. Koch</a>, <a href="/search/physics?searchtype=author&query=Kopf%2C+B">B. Kopf</a>, <a href="/search/physics?searchtype=author&query=Kuhlmann%2C+M">M. Kuhlmann</a> , et al. (441 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1912.12638v1-abstract-short" style="display: inline;"> PANDA (anti-Proton ANnihiliation at DArmstadt) is planned to be one of the four main experiments at the future international accelerator complex FAIR (Facility for Antiproton and Ion Research) in Darmstadt, Germany. It is going to address fundamental questions of hadron physics and quantum chromodynamics using cooled antiproton beams with a high intensity and and momenta between 1.5 and 15 GeV/c.… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1912.12638v1-abstract-full').style.display = 'inline'; document.getElementById('1912.12638v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1912.12638v1-abstract-full" style="display: none;"> PANDA (anti-Proton ANnihiliation at DArmstadt) is planned to be one of the four main experiments at the future international accelerator complex FAIR (Facility for Antiproton and Ion Research) in Darmstadt, Germany. It is going to address fundamental questions of hadron physics and quantum chromodynamics using cooled antiproton beams with a high intensity and and momenta between 1.5 and 15 GeV/c. PANDA is designed to reach a maximum luminosity of 2x10^32 cm^2 s. Most of the physics programs require an excellent particle identification (PID). The PID of hadronic states at the forward endcap of the target spectrometer will be done by a fast and compact Cherenkov detector that uses the detection of internally reflected Cherenkov light (DIRC) principle. It is designed to cover the polar angle range from 5掳 to 22掳 and to provide a separation power for the separation of charged pions and kaons up to 3 standard deviations (s.d.) for particle momenta up to 4 GeV/c in order to cover the important particle phase space. This document describes the technical design and the expected performance of the novel PANDA Disc DIRC detector that has not been used in any other high energy physics experiment (HEP) before. The performance has been studied with Monte-Carlo simulations and various beam tests at DESY and CERN. The final design meets all PANDA requirements and guarantees suffcient safety margins. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1912.12638v1-abstract-full').style.display = 'none'; document.getElementById('1912.12638v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 29 December, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">TDR for Panda/Fair to be published</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1903.08861">arXiv:1903.08861</a> <span> [<a href="https://arxiv.org/pdf/1903.08861">pdf</a>, <a href="https://arxiv.org/format/1903.08861">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/1275/1/012028">10.1088/1742-6596/1275/1/012028 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> VIP2 in LNGS - Testing the Pauli Exclusion Principle for electrons with high sensitivity </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Pichler%2C+A">A. Pichler</a>, <a href="/search/physics?searchtype=author&query=Amirkhani%2C+A">A. Amirkhani</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R. Del Grande</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+-">J. -P. Egger</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C. Fiorini</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Milucci%2C+M">M. Milucci</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D">D. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+F">F. Sirghi</a> , et al. (3 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1903.08861v1-abstract-short" style="display: inline;"> The VIP2 (VIolation of the Pauli Exclusion Principle) experiment at the Gran Sasso underground laboratory (LNGS) is searching for possible violations of standard quantum mechanics predictions in atoms at very high sensitivity. We investigate atomic transitions with precision X-ray spectroscopy in order to test the Pauli Exclusion Principle (PEP) and therefore the related spin-statistics theorem. W… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1903.08861v1-abstract-full').style.display = 'inline'; document.getElementById('1903.08861v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1903.08861v1-abstract-full" style="display: none;"> The VIP2 (VIolation of the Pauli Exclusion Principle) experiment at the Gran Sasso underground laboratory (LNGS) is searching for possible violations of standard quantum mechanics predictions in atoms at very high sensitivity. We investigate atomic transitions with precision X-ray spectroscopy in order to test the Pauli Exclusion Principle (PEP) and therefore the related spin-statistics theorem. We will present our experimental method for the search for "anomalous" (i.e. Pauli-forbidden) X-ray transitions in copper atoms, produced by "new" electrons, which could have tiny probability to undergo Pauli-forbidden transition to the ground state already occupied by two electrons. We will describe the VIP2 experimental setup, which is taking data at LNGS presently. The goal of VIP2 is to test the PEP for electrons with unprecedented accuracy, down to a limit in the probability that PEP is violated at the level of 10$^{-31}$. We will present current experimental results and discuss implications of a possible violation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1903.08861v1-abstract-full').style.display = 'none'; document.getElementById('1903.08861v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 March, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Proceedings of DICE 2018 Conference</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1807.02182">arXiv:1807.02182</a> <span> [<a href="https://arxiv.org/pdf/1807.02182">pdf</a>, <a href="https://arxiv.org/format/1807.02182">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2018.09.087">10.1016/j.nima.2018.09.087 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Detector setup of the VIP2 Underground Experiment at LNGS </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Pichler%2C+A">A. Pichler</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+A+M">A. M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+-">J. -P. Egger</a>, <a href="/search/physics?searchtype=author&query=Elnaggar%2C+H">H. Elnaggar</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Miliucci%2C+M">M. Miliucci</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D+L">D. L. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+F">F. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sperandio%2C+L">L. Sperandio</a> , et al. (3 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1807.02182v1-abstract-short" style="display: inline;"> The VIP2 experiment tests the Pauli Exclusion Principle with high sensitivity, by searching for Pauli-forbidden atomic transitions from the 2p to the 1s shell in copper at about 8keV. The transition energy of Pauli-forbidden K X-rays is shifted by about 300 eV with respect to the normal allowed K line. This energy difference can be resolved using Silicon Drift Detectors. The data for this experime… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.02182v1-abstract-full').style.display = 'inline'; document.getElementById('1807.02182v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1807.02182v1-abstract-full" style="display: none;"> The VIP2 experiment tests the Pauli Exclusion Principle with high sensitivity, by searching for Pauli-forbidden atomic transitions from the 2p to the 1s shell in copper at about 8keV. The transition energy of Pauli-forbidden K X-rays is shifted by about 300 eV with respect to the normal allowed K line. This energy difference can be resolved using Silicon Drift Detectors. The data for this experiment is taken in the Gran Sasso underground laboratory (LNGS), which provides shielding from cosmic radiation. An overview of the detection system of the VIP2 experiment will be given. This includes the Silicon Drift Detectors used as X-ray detectors which provide an energy resolution of around 150 eV at 6 keV and timing information for active shielding. Furthermore, the low maintenance requirement makes them excellent X-ray detectors for the use in an underground laboratory. The VIP2 setup will be discussed which consists of a high current target system and a passive as well as an active shielding system using plastic scintillators read out by Silicon Photomultipliers. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.02182v1-abstract-full').style.display = 'none'; document.getElementById('1807.02182v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 July, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2018. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1804.04446">arXiv:1804.04446</a> <span> [<a href="https://arxiv.org/pdf/1804.04446">pdf</a>, <a href="https://arxiv.org/format/1804.04446">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-018-5802-4">10.1140/epjc/s10052-018-5802-4 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Experimental search for the violation of Pauli Exclusion Principle </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+A+M">A. M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+-">J. -P. Egger</a>, <a href="/search/physics?searchtype=author&query=Elnaggar%2C+H">H. Elnaggar</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Miliucci%2C+M">M. Miliucci</a>, <a href="/search/physics?searchtype=author&query=Pichler%2C+A">A. Pichler</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D+L">D. L. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+F">F. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sperandio%2C+L">L. Sperandio</a>, <a href="/search/physics?searchtype=author&query=Doce%2C+O+V">O. Vazquez Doce</a> , et al. (3 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1804.04446v3-abstract-short" style="display: inline;"> The VIolation of Pauli exclusion principle -2 experiment, or VIP-2 experiment, at the Laboratori Nazionali del Gran Sasso searches for x-rays from copper atomic transition that are prohibited by the Pauli Exclusion Principle. Candidate direct violation events come from the transition of a $2p$ electron to the ground state that is already occupied by two electrons. From the first data taking campai… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.04446v3-abstract-full').style.display = 'inline'; document.getElementById('1804.04446v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1804.04446v3-abstract-full" style="display: none;"> The VIolation of Pauli exclusion principle -2 experiment, or VIP-2 experiment, at the Laboratori Nazionali del Gran Sasso searches for x-rays from copper atomic transition that are prohibited by the Pauli Exclusion Principle. Candidate direct violation events come from the transition of a $2p$ electron to the ground state that is already occupied by two electrons. From the first data taking campaign in 2016 of VIP-2 experiment, we determined a best upper limit of 3.4 $\times$ 10$^{-29}$ for the probability that such a violation exists. Significant improvement in the control of the experimental systematics was also achieved, although not explicitly reflected in the improved upper limit. By introducing a simultaneous spectral fit of the signal and background data in the analysis, we succeeded in taking into account systematic errors that could not be evaluated previously in this type of measurements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.04446v3-abstract-full').style.display = 'none'; document.getElementById('1804.04446v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 April, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 12 April, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">18 pages, 10 figures, 2 tables, accepted by EPJ C on 12th April 2018</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. C (2018) 78: 319 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1802.07012">arXiv:1802.07012</a> <span> [<a href="https://arxiv.org/pdf/1802.07012">pdf</a>, <a href="https://arxiv.org/format/1802.07012">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevA.98.013402">10.1103/PhysRevA.98.013402 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Producing long-lived $2^3\text{S}$ Ps via $3^3\text{P}$ laser excitation in magnetic and electric fields </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Aghion%2C+S">S. Aghion</a>, <a href="/search/physics?searchtype=author&query=Amsler%2C+C">C. Amsler</a>, <a href="/search/physics?searchtype=author&query=Antonello%2C+M">M. Antonello</a>, <a href="/search/physics?searchtype=author&query=Belov%2C+A">A. Belov</a>, <a href="/search/physics?searchtype=author&query=Bonomi%2C+G">G. Bonomi</a>, <a href="/search/physics?searchtype=author&query=Brusa%2C+R+S">R. S. Brusa</a>, <a href="/search/physics?searchtype=author&query=Caccia%2C+M">M. Caccia</a>, <a href="/search/physics?searchtype=author&query=Camper%2C+A">A. Camper</a>, <a href="/search/physics?searchtype=author&query=Caravita%2C+R">R. Caravita</a>, <a href="/search/physics?searchtype=author&query=Castelli%2C+F">F. Castelli</a>, <a href="/search/physics?searchtype=author&query=Cerchiari%2C+G">G. Cerchiari</a>, <a href="/search/physics?searchtype=author&query=Comparat%2C+D">D. Comparat</a>, <a href="/search/physics?searchtype=author&query=Consolati%2C+G">G. Consolati</a>, <a href="/search/physics?searchtype=author&query=Demetrio%2C+A">A. Demetrio</a>, <a href="/search/physics?searchtype=author&query=Di+Noto%2C+L">L. Di Noto</a>, <a href="/search/physics?searchtype=author&query=Doser%2C+M">M. Doser</a>, <a href="/search/physics?searchtype=author&query=Evans%2C+C">C. Evans</a>, <a href="/search/physics?searchtype=author&query=Fani%2C+M">M. Fani</a>, <a href="/search/physics?searchtype=author&query=Ferragut%2C+R">R. Ferragut</a>, <a href="/search/physics?searchtype=author&query=Fesel%2C+J">J. Fesel</a>, <a href="/search/physics?searchtype=author&query=Fontana%2C+A">A. Fontana</a>, <a href="/search/physics?searchtype=author&query=Gerber%2C+S">S. Gerber</a>, <a href="/search/physics?searchtype=author&query=Giammarchi%2C+M">M. Giammarchi</a>, <a href="/search/physics?searchtype=author&query=Gligorova%2C+A">A. Gligorova</a>, <a href="/search/physics?searchtype=author&query=Guatieri%2C+F">F. Guatieri</a> , et al. (40 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1802.07012v1-abstract-short" style="display: inline;"> Producing positronium (Ps) in the metastable $2^3\text{S}$ state is of interest for various applications in fundamental physics. We report here about an experiment in which Ps atoms are produced in this long-lived state by spontaneous radiative decay of Ps excited to the $3^3\text{P}$ level manifold. The Ps cloud excitation is obtained with a UV laser pulse in an experimental vacuum chamber in pre… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1802.07012v1-abstract-full').style.display = 'inline'; document.getElementById('1802.07012v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1802.07012v1-abstract-full" style="display: none;"> Producing positronium (Ps) in the metastable $2^3\text{S}$ state is of interest for various applications in fundamental physics. We report here about an experiment in which Ps atoms are produced in this long-lived state by spontaneous radiative decay of Ps excited to the $3^3\text{P}$ level manifold. The Ps cloud excitation is obtained with a UV laser pulse in an experimental vacuum chamber in presence of guiding magnetic field of 25 mT and an average electric field of 300 V/cm. The indication of the $2^3\text{S}$ state production is obtained from a novel analysis technique of single-shot positronium annihilation lifetime spectra. Its production efficiency relative to the total amount of formed Ps is evaluated by fitting a simple rate equations model to the experimental data and found to be $ (2.1 \pm 1.3) \, \% $. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1802.07012v1-abstract-full').style.display = 'none'; document.getElementById('1802.07012v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 February, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. A 98, 013402 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1711.01309">arXiv:1711.01309</a> <span> [<a href="https://arxiv.org/pdf/1711.01309">pdf</a>, <a href="https://arxiv.org/format/1711.01309">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> </div> </div> <p class="title is-5 mathjax"> VIP2 at Gran Sasso - Test of the validity of the spin statistics theorem for electrons with X-ray spectroscopy </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Pichler%2C+A">A. Pichler</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+-">J. -P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D">D. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+F">F. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sperandio%2C+L">L. Sperandio</a>, <a href="/search/physics?searchtype=author&query=Vazquez-Doce%2C+O">O. Vazquez-Doce</a> , et al. (2 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1711.01309v1-abstract-short" style="display: inline;"> In the VIP2 (VIolation of the Pauli Exlusion Principle) experiment at the Gran Sasso underground laboratory (LNGS) we are searching for possible violations of standard quantum mechanics predictions. With high precision we investigate the Pauli Exclusion Principle and the collapse of the wave function (collapse models). We will present our experimental method of searching for possible small violati… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1711.01309v1-abstract-full').style.display = 'inline'; document.getElementById('1711.01309v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1711.01309v1-abstract-full" style="display: none;"> In the VIP2 (VIolation of the Pauli Exlusion Principle) experiment at the Gran Sasso underground laboratory (LNGS) we are searching for possible violations of standard quantum mechanics predictions. With high precision we investigate the Pauli Exclusion Principle and the collapse of the wave function (collapse models). We will present our experimental method of searching for possible small violations of the Pauli Exclusion Principle for electrons, via the search for "anomalous" X-ray transitions in copper atoms, produced by "new" electrons (brought inside a copper bar by circulating current) which could have the probability to undergo Pauli-forbidden transition to the ground state (1 s level) already occupied by two electrons. We will describe the concept of the VIP2 experiment taking data at LNGS presently. The goal of VIP2 is to test the PEP for electrons with unprecedented accuracy, down to a limit in the probability that PEP is violated at the level of 10$^{-31}$. We will show preliminary experimental results obtained at LNGS and discuss implications of a possible violation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1711.01309v1-abstract-full').style.display = 'none'; document.getElementById('1711.01309v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 November, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Proceedings TAUP 2017</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1705.02165">arXiv:1705.02165</a> <span> [<a href="https://arxiv.org/pdf/1705.02165">pdf</a>, <a href="https://arxiv.org/format/1705.02165">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.3390/e19070300">10.3390/e19070300 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Test of the Pauli Exclusion Principle in the VIP-2 underground experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+A+M">A. M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+-">J. -P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D+L">D. L. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+F">F. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sperandio%2C+L">L. Sperandio</a>, <a href="/search/physics?searchtype=author&query=Doce%2C+O+V">O. Vazquez Doce</a>, <a href="/search/physics?searchtype=author&query=Widmann%2C+E">E. Widmann</a>, <a href="/search/physics?searchtype=author&query=Zmeskal%2C+J">J. Zmeskal</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1705.02165v2-abstract-short" style="display: inline;"> The validity of the Pauli Exclusion Principle, a building block of Quantum Mechanics, is tested for electrons. The VIP (VIolation of Pauli exclusion principle) and its follow-up VIP-2 experiments at the Laboratori Nazionali del Gran Sasso search for x-rays from copper atomic transition that are prohibited by the Pauli Exclusion Principle. The candidate events, if they exist, originate from the tra… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1705.02165v2-abstract-full').style.display = 'inline'; document.getElementById('1705.02165v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1705.02165v2-abstract-full" style="display: none;"> The validity of the Pauli Exclusion Principle, a building block of Quantum Mechanics, is tested for electrons. The VIP (VIolation of Pauli exclusion principle) and its follow-up VIP-2 experiments at the Laboratori Nazionali del Gran Sasso search for x-rays from copper atomic transition that are prohibited by the Pauli Exclusion Principle. The candidate events, if they exist, originate from the transition of a $2p$ orbit electron to the ground state which is already occupied by two electrons. The present limit on the probability for Pauli Exclusion Principle violation for electrons set by the VIP experiment is 4.7 $\times$ 10 $^{-29}$. We report a first result from the VIP-2 experiment improving on the VIP limit, that solidifies the final goal to achieve a two order of magnitude gain in the long run. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1705.02165v2-abstract-full').style.display = 'none'; document.getElementById('1705.02165v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 December, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 May, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, 3 figures. Submitted to journal Entropy special issue: "Quantum Information and Foundations", 2017</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> C.Curceanu et al.,Entropy 19, 300 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1703.10055">arXiv:1703.10055</a> <span> [<a href="https://arxiv.org/pdf/1703.10055">pdf</a>, <a href="https://arxiv.org/format/1703.10055">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Underground test of quantum mechanics - the VIP2 experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Marton%2C+J">Johann Marton</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bassi%2C+A">A. Bassi</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">Catalina Curceanu</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=Donadi%2C+S">S. Donadi</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+-">J. -P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pichler%2C+A">Andreas Pichler</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D+S+F">D. Sirghi F. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sperandio%2C+L">L. Sperandio</a> , et al. (3 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1703.10055v2-abstract-short" style="display: inline;"> We are experimentally investigating possible violations of standard quantum mechanics predictions in the Gran Sasso underground laboratory in Italy. We test with high precision the Pauli Exclusion Principle and the collapse of the wave function (collapse models). We present our method of searching for possible small violations of the Pauli Exclusion Principle (PEP) for electrons, through the searc… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.10055v2-abstract-full').style.display = 'inline'; document.getElementById('1703.10055v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1703.10055v2-abstract-full" style="display: none;"> We are experimentally investigating possible violations of standard quantum mechanics predictions in the Gran Sasso underground laboratory in Italy. We test with high precision the Pauli Exclusion Principle and the collapse of the wave function (collapse models). We present our method of searching for possible small violations of the Pauli Exclusion Principle (PEP) for electrons, through the search for anomalous X-ray transitions in copper atoms, produced by fresh electrons (brought inside the copper bar by circulating current) which can have the probability to undergo Pauli-forbidden transition to the 1 s level already occupied by two electrons and we describe the VIP2 (VIolation of PEP) experiment under data taking at the Gran Sasso underground laboratories. In this paper the new VIP2 setup installed in the Gran Sasso underground laboratory will be presented. The goal of VIP2 is to test the PEP for electrons with unprecedented accuracy, down to a limit in the probability that PEP is violated at the level of 10$^{-31}$. We show preliminary experimental results and discuss implications of a possible violation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.10055v2-abstract-full').style.display = 'none'; document.getElementById('1703.10055v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 April, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 29 March, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2017. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1703.06796">arXiv:1703.06796</a> <span> [<a href="https://arxiv.org/pdf/1703.06796">pdf</a>, <a href="https://arxiv.org/ps/1703.06796">ps</a>, <a href="https://arxiv.org/format/1703.06796">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/880/1/012045">10.1088/1742-6596/880/1/012045 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Underground tests of quantum mechanics. Whispers in the cosmic silence? </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bassi%2C+A">A. Bassi</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+A+M">A. M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=Donadi%2C+S">S. Donadi</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J">J-P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pichler%2C+A">A. Pichler</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D">D. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+F">F. Sirghi</a> , et al. (3 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1703.06796v1-abstract-short" style="display: inline;"> By performing X-rays measurements in the "cosmic silence" of the underground laboratory of Gran Sasso, LNGS-INFN, we test a basic principle of quantum mechanics: the Pauli Exclusion Principle (PEP), for electrons. We present the achieved results of the VIP experiment and the ongoing VIP2 measurement aiming to gain two orders of magnitude improvement in testing PEP. We also use a similar experiment… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.06796v1-abstract-full').style.display = 'inline'; document.getElementById('1703.06796v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1703.06796v1-abstract-full" style="display: none;"> By performing X-rays measurements in the "cosmic silence" of the underground laboratory of Gran Sasso, LNGS-INFN, we test a basic principle of quantum mechanics: the Pauli Exclusion Principle (PEP), for electrons. We present the achieved results of the VIP experiment and the ongoing VIP2 measurement aiming to gain two orders of magnitude improvement in testing PEP. We also use a similar experimental technique to search for radiation (X and gamma) predicted by continuous spontaneous localization models, which aim to solve the "measurement problem". <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.06796v1-abstract-full').style.display = 'none'; document.getElementById('1703.06796v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 March, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">7 pages, 3 figures, proceedings to the workshop "Eighth International Workshop DICE2016", Castello Pasquini/Castiglioncello (Tuscany), September 12-16, 2016 Spacetime - Matter - Quantum Mechanics</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1703.01615">arXiv:1703.01615</a> <span> [<a href="https://arxiv.org/pdf/1703.01615">pdf</a>, <a href="https://arxiv.org/format/1703.01615">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/873/1/012018">10.1088/1742-6596/873/1/012018 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> VIP-2 at LNGS: An experiment on the validity of the Pauli Exclusion Principle for electrons </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bassi%2C+A">A. Bassi</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=Donadi%2C+S">S. Donadi</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+-">J. -P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pichler%2C+A">A. Pichler</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D">D. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+F">F. Sirghi</a> , et al. (4 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1703.01615v1-abstract-short" style="display: inline;"> We are experimentally investigating possible violations of standard quantum mechanics predictions in the Gran Sasso underground laboratory in Italy. We test with high precision the Pauli Exclusion Principle and the collapse of the wave function (collapse models). We present our method of searching for possible small violations of the Pauli Exclusion Principle (PEP) for electrons, through the searc… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.01615v1-abstract-full').style.display = 'inline'; document.getElementById('1703.01615v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1703.01615v1-abstract-full" style="display: none;"> We are experimentally investigating possible violations of standard quantum mechanics predictions in the Gran Sasso underground laboratory in Italy. We test with high precision the Pauli Exclusion Principle and the collapse of the wave function (collapse models). We present our method of searching for possible small violations of the Pauli Exclusion Principle (PEP) for electrons, through the search for anomalous X-ray transitions in copper atoms. These transitions are produced by new electrons (brought inside the copper bar by circulating current) which can have the possibility to undergo Pauli-forbidden transition to the 1s level already occupied by two electrons. We describe the VIP2 (VIolation of the Pauli Exclusion Principle) experimental data taking at the Gran Sasso underground laboratories. The goal of VIP2 is to test the PEP for electrons in agreement with the Messiah-Greenberg superselection rule with unprecedented accuracy, down to a limit in the probability that PEP is violated at the level of 10E-31. We show preliminary experimental results and discuss implications of a possible violation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.01615v1-abstract-full').style.display = 'none'; document.getElementById('1703.01615v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 March, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Proc. DISCRETE2016</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1610.02149">arXiv:1610.02149</a> <span> [<a href="https://arxiv.org/pdf/1610.02149">pdf</a>, <a href="https://arxiv.org/format/1610.02149">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.95.032003">10.1103/PhysRevD.95.032003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Feasibility study for the measurement of $蟺N$ TDAs at PANDA in $\bar{p}p\to J/蠄蟺^0$ </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=PANDA+Collaboration"> PANDA Collaboration</a>, <a href="/search/physics?searchtype=author&query=Singh%2C+B">B. Singh</a>, <a href="/search/physics?searchtype=author&query=Erni%2C+W">W. Erni</a>, <a href="/search/physics?searchtype=author&query=Krusche%2C+B">B. Krusche</a>, <a href="/search/physics?searchtype=author&query=Steinacher%2C+M">M. Steinacher</a>, <a href="/search/physics?searchtype=author&query=Walford%2C+N">N. Walford</a>, <a href="/search/physics?searchtype=author&query=Liu%2C+H">H. Liu</a>, <a href="/search/physics?searchtype=author&query=Liu%2C+Z">Z. Liu</a>, <a href="/search/physics?searchtype=author&query=Liu%2C+B">B. Liu</a>, <a href="/search/physics?searchtype=author&query=Shen%2C+X">X. Shen</a>, <a href="/search/physics?searchtype=author&query=Wang%2C+C">C. Wang</a>, <a href="/search/physics?searchtype=author&query=Zhao%2C+J">J. Zhao</a>, <a href="/search/physics?searchtype=author&query=Albrecht%2C+M">M. Albrecht</a>, <a href="/search/physics?searchtype=author&query=Erlen%2C+T">T. Erlen</a>, <a href="/search/physics?searchtype=author&query=Fink%2C+M">M. Fink</a>, <a href="/search/physics?searchtype=author&query=Heinsius%2C+F+H">F. H. Heinsius</a>, <a href="/search/physics?searchtype=author&query=Held%2C+T">T. Held</a>, <a href="/search/physics?searchtype=author&query=Holtmann%2C+T">T. Holtmann</a>, <a href="/search/physics?searchtype=author&query=Jasper%2C+S">S. Jasper</a>, <a href="/search/physics?searchtype=author&query=Keshk%2C+I">I. Keshk</a>, <a href="/search/physics?searchtype=author&query=Koch%2C+H">H. Koch</a>, <a href="/search/physics?searchtype=author&query=Kopf%2C+B">B. Kopf</a>, <a href="/search/physics?searchtype=author&query=Kuhlmann%2C+M">M. Kuhlmann</a>, <a href="/search/physics?searchtype=author&query=K%C3%BCmmel%2C+M">M. K眉mmel</a>, <a href="/search/physics?searchtype=author&query=Leiber%2C+S">S. Leiber</a> , et al. (488 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1610.02149v1-abstract-short" style="display: inline;"> The exclusive charmonium production process in $\bar{p}p$ annihilation with an associated $蟺^0$ meson $\bar{p}p\to J/蠄蟺^0$ is studied in the framework of QCD collinear factorization. The feasibility of measuring this reaction through the $J/蠄\to e^+e^-$ decay channel with the PANDA (AntiProton ANnihilation at DArmstadt) experiment is investigated. Simulations on signal reconstruction efficiency as… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.02149v1-abstract-full').style.display = 'inline'; document.getElementById('1610.02149v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1610.02149v1-abstract-full" style="display: none;"> The exclusive charmonium production process in $\bar{p}p$ annihilation with an associated $蟺^0$ meson $\bar{p}p\to J/蠄蟺^0$ is studied in the framework of QCD collinear factorization. The feasibility of measuring this reaction through the $J/蠄\to e^+e^-$ decay channel with the PANDA (AntiProton ANnihilation at DArmstadt) experiment is investigated. Simulations on signal reconstruction efficiency as well as the background rejection from various sources including the $\bar{p}p\to蟺^+蟺^-蟺^0$ and $\bar{p}p\to J/蠄蟺^0蟺^0$ reactions are performed with PandaRoot, the simulation and analysis software framework of the PANDA experiment. It is shown that the measurement can be done at PANDA with significant constraining power under the assumption of an integrated luminosity attainable in four to five months of data taking at the maximum design luminosity. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.02149v1-abstract-full').style.display = 'none'; document.getElementById('1610.02149v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 October, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">25 pages, 22 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 95, 032003 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1608.05436">arXiv:1608.05436</a> <span> [<a href="https://arxiv.org/pdf/1608.05436">pdf</a>, <a href="https://arxiv.org/ps/1608.05436">ps</a>, <a href="https://arxiv.org/format/1608.05436">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</span> </div> </div> <p class="title is-5 mathjax"> First application of superconducting transition-edge-sensor microcalorimeters to hadronic-atom x-ray spectroscopy </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Okada%2C+S">S. Okada</a>, <a href="/search/physics?searchtype=author&query=Bennett%2C+D+A">D. A. Bennett</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=Doriese%2C+W+B">W. B. Doriese</a>, <a href="/search/physics?searchtype=author&query=Fowler%2C+J+W">J. W. Fowler</a>, <a href="/search/physics?searchtype=author&query=Gard%2C+J">J. Gard</a>, <a href="/search/physics?searchtype=author&query=Gustafsson%2C+F+P">F. P. Gustafsson</a>, <a href="/search/physics?searchtype=author&query=Hashimoto%2C+T">T. Hashimoto</a>, <a href="/search/physics?searchtype=author&query=Hayano%2C+R+S">R. S. Hayano</a>, <a href="/search/physics?searchtype=author&query=Hirenzaki%2C+S">S. Hirenzaki</a>, <a href="/search/physics?searchtype=author&query=Hays-Wehle%2C+J+P">J. P. Hays-Wehle</a>, <a href="/search/physics?searchtype=author&query=Hilton%2C+G+C">G. C. Hilton</a>, <a href="/search/physics?searchtype=author&query=Ikeno%2C+N">N. Ikeno</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Ishimoto%2C+S">S. Ishimoto</a>, <a href="/search/physics?searchtype=author&query=Itahashi%2C+K">K. Itahashi</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M. Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Koike%2C+T">T. Koike</a>, <a href="/search/physics?searchtype=author&query=Kuwabara%2C+K">K. Kuwabara</a>, <a href="/search/physics?searchtype=author&query=Ma%2C+Y">Y. Ma</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Noda%2C+H">H. Noda</a>, <a href="/search/physics?searchtype=author&query=O%27Neil%2C+G+C">G. C. O'Neil</a>, <a href="/search/physics?searchtype=author&query=Outa%2C+H">H. Outa</a>, <a href="/search/physics?searchtype=author&query=Reintsema%2C+C+D">C. D. Reintsema</a> , et al. (13 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1608.05436v1-abstract-short" style="display: inline;"> High-resolution pionic-atom x-ray spectroscopy was performed with an x-ray spectrometer based on a 240-pixel array of superconducting transition-edge-sensor (TES) microcalorimeters at the piM1 beam line of the Paul Scherrer Institute. X-rays emitted by pionic carbon via the 4f->3d transition and the parallel 4d->3p transition were observed with a full-width-at-half-maximum energy resolution of 6.8… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1608.05436v1-abstract-full').style.display = 'inline'; document.getElementById('1608.05436v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1608.05436v1-abstract-full" style="display: none;"> High-resolution pionic-atom x-ray spectroscopy was performed with an x-ray spectrometer based on a 240-pixel array of superconducting transition-edge-sensor (TES) microcalorimeters at the piM1 beam line of the Paul Scherrer Institute. X-rays emitted by pionic carbon via the 4f->3d transition and the parallel 4d->3p transition were observed with a full-width-at-half-maximum energy resolution of 6.8 eV at 6.4 keV. Measured x-ray energies are consistent with calculated electromagnetic values which considered the strong-interaction effect assessed via the Seki-Masutani potential for the 3p energy level, and favor the electronic population of two filled 1s electrons in the K-shell. Absolute energy calibration with an uncertainty of 0.1 eV was demonstrated under a high-rate hadron beam condition of 1.45 MHz. This is the first application of a TES spectrometer to hadronic-atom x-ray spectroscopy and is an important milestone towards next-generation high-resolution kaonic-atom x-ray spectroscopy. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1608.05436v1-abstract-full').style.display = 'none'; document.getElementById('1608.05436v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 August, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages, 3 figures, submitted to PTEP</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1602.00898">arXiv:1602.00898</a> <span> [<a href="https://arxiv.org/pdf/1602.00898">pdf</a>, <a href="https://arxiv.org/format/1602.00898">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/718/5/052030">10.1088/1742-6596/718/5/052030 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Application of photon detectors in the VIP2 experiment to test the Pauli Exclusion Principle </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Pichler%2C+A">A. Pichler</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=D%27Uffizi%2C+A">A. D'Uffizi</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+-">J. -P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Ishiwatari%2C+T">T. Ishiwatari</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Ponta%2C+T">T. Ponta</a>, <a href="/search/physics?searchtype=author&query=Sbardella%2C+E">E. Sbardella</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a> , et al. (6 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1602.00898v1-abstract-short" style="display: inline;"> The Pauli Exclusion Principle (PEP) was introduced by the austrian physicist Wolfgang Pauli in 1925. Since then, several experiments have checked its validity. From 2006 until 2010, the VIP (VIolation of the Pauli Principle) experiment took data at the LNGS underground laboratory to test the PEP. This experiment looked for electronic 2p to 1s transitions in copper, where 2 electrons are in the 1s… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1602.00898v1-abstract-full').style.display = 'inline'; document.getElementById('1602.00898v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1602.00898v1-abstract-full" style="display: none;"> The Pauli Exclusion Principle (PEP) was introduced by the austrian physicist Wolfgang Pauli in 1925. Since then, several experiments have checked its validity. From 2006 until 2010, the VIP (VIolation of the Pauli Principle) experiment took data at the LNGS underground laboratory to test the PEP. This experiment looked for electronic 2p to 1s transitions in copper, where 2 electrons are in the 1s state before the transition happens. These transitions violate the PEP. The lack of detection of X-ray photons coming from these transitions resulted in a preliminary upper limit for the violation of the PEP of $4.7 \times 10^{-29}$. Currently, the successor experiment VIP2 is under preparation. The main improvements are, on one side, the use of Silicon Drift Detectors (SDDs) as X-ray photon detectors. On the other side an active shielding is implemented, which consists of plastic scintillator bars read by Silicon Photomultipliers (SiPMs). The employment of these detectors will improve the upper limit for the violation of the PEP by around 2 orders of magnitude. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1602.00898v1-abstract-full').style.display = 'none'; document.getElementById('1602.00898v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 February, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2016. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1602.00867">arXiv:1602.00867</a> <span> [<a href="https://arxiv.org/pdf/1602.00867">pdf</a>, <a href="https://arxiv.org/format/1602.00867">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> VIP 2: Experimental tests of the Pauli Exclusion Principle for electrons </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Pichler%2C+A">A. Pichler</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=D%27Uffizi%2C+A">A. D'Uffizi</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+-">J. -P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Ishiwatari%2C+T">T. Ishiwatari</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Ponta%2C+T">T. Ponta</a>, <a href="/search/physics?searchtype=author&query=Sbardella%2C+E">E. Sbardella</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a> , et al. (6 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1602.00867v1-abstract-short" style="display: inline;"> The Pauli Exclusion Principle (PEP) was famously discovered in 1925 by the austrian physicist Wolfgang Pauli. Since then, it underwent several experimental tests. Starting in 2006, the VIP (Violation of the Pauli Principle) experiment looked for 2p to 1s X-ray transitions in copper, where 2 electrons are present in the 1s state before the transition happens. These transitions violate the PEP, and… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1602.00867v1-abstract-full').style.display = 'inline'; document.getElementById('1602.00867v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1602.00867v1-abstract-full" style="display: none;"> The Pauli Exclusion Principle (PEP) was famously discovered in 1925 by the austrian physicist Wolfgang Pauli. Since then, it underwent several experimental tests. Starting in 2006, the VIP (Violation of the Pauli Principle) experiment looked for 2p to 1s X-ray transitions in copper, where 2 electrons are present in the 1s state before the transition happens. These transitions violate the PEP, and the lack of detection of the corresponding X-ray photons lead to a preliminary upper limit for the violation of the PEP of 4.7 * 10^(-29). The follow-up experiment VIP 2 is currently in the testing phase and will be transported to its final destination, the underground laboratory of Gran Sasso in Italy, in autumn 2015. Several improvements compared to its predecessor like the use of new X-ray detectors and active shielding from background gives rise to a goal for the improvement of the upper limit of the probability for the violation of the Pauli Exclusion Principle of 2 orders of magnitude. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1602.00867v1-abstract-full').style.display = 'none'; document.getElementById('1602.00867v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 February, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2016. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1601.06617">arXiv:1601.06617</a> <span> [<a href="https://arxiv.org/pdf/1601.06617">pdf</a>, <a href="https://arxiv.org/format/1601.06617">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/s10701-015-9923-4">10.1007/s10701-015-9923-4 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Spontaneously emitted X-rays: an experimental signature of the dynamical reduction models </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bassi%2C+A">A. Bassi</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+A+M">A. M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=Donadi%2C+S">S. Donadi</a>, <a href="/search/physics?searchtype=author&query=DUffizi%2C+A">A. DUffizi</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J">J-P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Ishiwatari%2C+T">T. Ishiwatari</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pichler%2C+A">A. Pichler</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Ponta%2C+T+.">T . Ponta</a>, <a href="/search/physics?searchtype=author&query=Sbardella%2C+E">E. Sbardella</a> , et al. (7 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1601.06617v1-abstract-short" style="display: inline;"> We present the idea of searching for X-rays as a signature of the mechanism inducing the spontaneous collapse of the wave function. Such a signal is predicted by the continuous spontaneous localization theories, which are solving the "measurement problem" by modifying the Schrodinger equation. We will show some encouraging preliminary results and discuss future plans and strategy. </span> <span class="abstract-full has-text-grey-dark mathjax" id="1601.06617v1-abstract-full" style="display: none;"> We present the idea of searching for X-rays as a signature of the mechanism inducing the spontaneous collapse of the wave function. Such a signal is predicted by the continuous spontaneous localization theories, which are solving the "measurement problem" by modifying the Schrodinger equation. We will show some encouraging preliminary results and discuss future plans and strategy. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.06617v1-abstract-full').style.display = 'none'; document.getElementById('1601.06617v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 25 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">to be published in Foundation of Physics 2015</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1601.05828">arXiv:1601.05828</a> <span> [<a href="https://arxiv.org/pdf/1601.05828">pdf</a>, <a href="https://arxiv.org/format/1601.05828">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/718/4/042055">10.1088/1742-6596/718/4/042055 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Searches for the Violation of Pauli Exclusion Principle at LNGS in VIP(-2) experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Shi%2C+H">H Shi</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+A+M">A. M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=d%27Uffizi%2C+A">A. d'Uffizi</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+-">J. -P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Ishiwatari%2C+T">T. Ishiwatari</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Ponta%2C+T">T. Ponta</a>, <a href="/search/physics?searchtype=author&query=Vidal%2C+A+R">A. Romero Vidal</a>, <a href="/search/physics?searchtype=author&query=Sbardella%2C+E">E. Sbardella</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D+L">D. L. Sirghi</a> , et al. (5 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1601.05828v1-abstract-short" style="display: inline;"> The VIP (Violation of Pauli exclusion principle) experiment and its follow-up experiment VIP-2 at the Laboratori Nazionali del Gran Sasso (LNGS) search for X-rays from Cu atomic states that are prohibited by the Pauli Exclusion Principle (PEP). The candidate events, if they exist, will originate from the transition of a $2p$ orbit electron to the ground state which is already occupied by two elect… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.05828v1-abstract-full').style.display = 'inline'; document.getElementById('1601.05828v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1601.05828v1-abstract-full" style="display: none;"> The VIP (Violation of Pauli exclusion principle) experiment and its follow-up experiment VIP-2 at the Laboratori Nazionali del Gran Sasso (LNGS) search for X-rays from Cu atomic states that are prohibited by the Pauli Exclusion Principle (PEP). The candidate events, if they exist, will originate from the transition of a $2p$ orbit electron to the ground state which is already occupied by two electrons. The present limit on the probability for PEP violation for electron is 4.7 $\times10^{-29}$ set by the VIP experiment. With upgraded detectors for high precision X-ray spectroscopy, the VIP-2 experiment will improve the sensitivity by two orders of magnitude. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.05828v1-abstract-full').style.display = 'none'; document.getElementById('1601.05828v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 3 figures, 1 table. Conference proceedings for oral presentation at TAUP 2015, Torino</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Journal of Physics: Conference Series 2016 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1601.03293">arXiv:1601.03293</a> <span> [<a href="https://arxiv.org/pdf/1601.03293">pdf</a>, <a href="https://arxiv.org/ps/1601.03293">ps</a>, <a href="https://arxiv.org/format/1601.03293">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/s10909-016-1491-2">10.1007/s10909-016-1491-2 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Absolute Energy Calibration of X-ray TESs with 0.04 eV Uncertainty at 6.4 keV in a Hadron-Beam Environment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Tatsuno%2C+H">H. Tatsuno</a>, <a href="/search/physics?searchtype=author&query=Doriese%2C+W+B">W. B. Doriese</a>, <a href="/search/physics?searchtype=author&query=Bennett%2C+D+A">D. A. Bennett</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=Fowler%2C+J+W">J. W. Fowler</a>, <a href="/search/physics?searchtype=author&query=Gard%2C+J">J. Gard</a>, <a href="/search/physics?searchtype=author&query=Gustafsson%2C+F+P">F. P. Gustafsson</a>, <a href="/search/physics?searchtype=author&query=Hashimoto%2C+T">T. Hashimoto</a>, <a href="/search/physics?searchtype=author&query=Hayano%2C+R+S">R. S. Hayano</a>, <a href="/search/physics?searchtype=author&query=Hays-Wehle%2C+J+P">J. P. Hays-Wehle</a>, <a href="/search/physics?searchtype=author&query=Hilton%2C+G+C">G. C. Hilton</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Ishimoto%2C+S">S. Ishimoto</a>, <a href="/search/physics?searchtype=author&query=Itahashi%2C+K">K. Itahashi</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M. Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Kuwabara%2C+K">K. Kuwabara</a>, <a href="/search/physics?searchtype=author&query=Ma%2C+Y">Y. Ma</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Noda%2C+H">H. Noda</a>, <a href="/search/physics?searchtype=author&query=O%27Neil%2C+G+C">G. C. O'Neil</a>, <a href="/search/physics?searchtype=author&query=Okada%2C+S">S. Okada</a>, <a href="/search/physics?searchtype=author&query=Outa%2C+H">H. Outa</a>, <a href="/search/physics?searchtype=author&query=Reintsema%2C+C+D">C. D. Reintsema</a>, <a href="/search/physics?searchtype=author&query=Sato%2C+M">M. Sato</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+D+R">D. R. Schmidt</a> , et al. (9 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1601.03293v1-abstract-short" style="display: inline;"> A performance evaluation of superconducting transition-edge sensors (TESs) in the environment of a pion beam line at a particle accelerator is presented. Averaged across the 209 functioning sensors in the array, the achieved energy resolution is 5.2 eV FWHM at Co $K_伪$ (6.9 keV) when the pion beam is off and 7.3 eV at a beam rate of 1.45 MHz. Absolute energy uncertainty of $\pm$0.04 eV is demonstr… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.03293v1-abstract-full').style.display = 'inline'; document.getElementById('1601.03293v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1601.03293v1-abstract-full" style="display: none;"> A performance evaluation of superconducting transition-edge sensors (TESs) in the environment of a pion beam line at a particle accelerator is presented. Averaged across the 209 functioning sensors in the array, the achieved energy resolution is 5.2 eV FWHM at Co $K_伪$ (6.9 keV) when the pion beam is off and 7.3 eV at a beam rate of 1.45 MHz. Absolute energy uncertainty of $\pm$0.04 eV is demonstrated for Fe $K_伪$ (6.4 keV) with in-situ energy calibration obtained from other nearby known x-ray lines. To achieve this small uncertainty, it is essential to consider the non-Gaussian energy response of the TESs and thermal cross-talk pile-up effects due to charged-particle hits in the silicon substrate of the TES array. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.03293v1-abstract-full').style.display = 'none'; document.getElementById('1601.03293v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Accepted for publication in J. Low Temperature Physics, special issue for the proceedings of the Low Temperature Detectors 16 conference</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1510.06906">arXiv:1510.06906</a> <span> [<a href="https://arxiv.org/pdf/1510.06906">pdf</a>, <a href="https://arxiv.org/format/1510.06906">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Recovery Time Measurements of Silicon Photomultipliers Using a Pulsed Laser </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Gruber%2C+L">L. Gruber</a>, <a href="/search/physics?searchtype=author&query=Brunner%2C+S+E">S. E. Brunner</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Vidal%2C+A+R">A. Romero Vidal</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Suzuki%2C+K">K. Suzuki</a>, <a href="/search/physics?searchtype=author&query=Doce%2C+O+V">O. Vazquez Doce</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1510.06906v1-abstract-short" style="display: inline;"> We performed an experimental study to determine the pixel recovery time of various Multi Pixel Photon Counters (MPPCs) in order to characterize their rate capability and double-hit resolution. The recovery time constant and its dependence on the operating voltage has been evaluated by measuring the photosensor response to two consecutive laser pulses with varying relative time differences of a few… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.06906v1-abstract-full').style.display = 'inline'; document.getElementById('1510.06906v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1510.06906v1-abstract-full" style="display: none;"> We performed an experimental study to determine the pixel recovery time of various Multi Pixel Photon Counters (MPPCs) in order to characterize their rate capability and double-hit resolution. The recovery time constant and its dependence on the operating voltage has been evaluated by measuring the photosensor response to two consecutive laser pulses with varying relative time differences of a few ns (2-3 ns) up to some 100 ns using a waveform analysis technique. A Monte Carlo simulation tool is being developed to model the MPPC recovery process and interpret experimental data. In this context, the influence of after-pulsing, cross-talk and dark-noise on the recovery process can be studied. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.06906v1-abstract-full').style.display = 'none'; document.getElementById('1510.06906v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 October, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2015. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1507.05845">arXiv:1507.05845</a> <span> [<a href="https://arxiv.org/pdf/1507.05845">pdf</a>, <a href="https://arxiv.org/format/1507.05845">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2015.10.108">10.1016/j.nima.2015.10.108 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Barrel time-of-flight detector for the PANDA experiment at FAIR </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Gruber%2C+L">L. Gruber</a>, <a href="/search/physics?searchtype=author&query=Brunner%2C+S+E">S. E. Brunner</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Orth%2C+H">H. Orth</a>, <a href="/search/physics?searchtype=author&query=Suzuki%2C+K">K. Suzuki</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1507.05845v1-abstract-short" style="display: inline;"> The barrel time-of-flight detector for the PANDA experiment at FAIR is foreseen as a Scintillator Tile (SciTil) Hodoscope based on several thousand small plastic scintillator tiles read-out with directly attached Silicon Photomultipliers (SiPMs). The main tasks of the system are an accurate determination of the time origin of particle tracks to avoid event mixing at high collission rates, relative… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1507.05845v1-abstract-full').style.display = 'inline'; document.getElementById('1507.05845v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1507.05845v1-abstract-full" style="display: none;"> The barrel time-of-flight detector for the PANDA experiment at FAIR is foreseen as a Scintillator Tile (SciTil) Hodoscope based on several thousand small plastic scintillator tiles read-out with directly attached Silicon Photomultipliers (SiPMs). The main tasks of the system are an accurate determination of the time origin of particle tracks to avoid event mixing at high collission rates, relative time-of-flight measurements as well as particle identification in the low momentum regime. The main requirements are the use of a minimum material amount and a time resolution of $蟽< 100\,\mathrm{ps}$. We have performed extensive optimization studies and prototype tests to prove the feasibility of the SciTil design and finalize the R&D phase. In a 2.7 GeV/c proton beam at Forschungszentrum J眉lich a time resolution of about 80 ps has been achieved using SiPMs from KETEK and Hamamatsu with an active area of $3\times3\,\mathrm{mm^2}$. Employing the Digital Photon Counter from Philips a time resolution of about 30 ps has been reached. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1507.05845v1-abstract-full').style.display = 'none'; document.getElementById('1507.05845v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 July, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2015. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1505.02991">arXiv:1505.02991</a> <span> [<a href="https://arxiv.org/pdf/1505.02991">pdf</a>, <a href="https://arxiv.org/format/1505.02991">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/s10751-015-1180-6">10.1007/s10751-015-1180-6 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> VIP 2: Experimental tests of the Pauli Exclusion Principle for electrons </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Pichler%2C+A">A. Pichler</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=D%60Uffizi%2C+A">A. D`Uffizi</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+P">J. P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Ishiwatari%2C+T">T. Ishiwatari</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Ponta%2C+T">T. Ponta</a>, <a href="/search/physics?searchtype=author&query=Sbardella%2C+E">E. Sbardella</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D">D. Sirghi</a> , et al. (5 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1505.02991v1-abstract-short" style="display: inline;"> Many experiments investigated the violation of the Pauli Exclusion Principle (PEP) since its discovery in 1925. The VIP (VIolation of the Pauli Principle) experiment tested the PEP by measuring the probability for an external electron to be captured and undergo a 2p to 1s transition during its cascading process, where the 1s state is already occupied by two electrons. This transition is forbidden… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.02991v1-abstract-full').style.display = 'inline'; document.getElementById('1505.02991v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1505.02991v1-abstract-full" style="display: none;"> Many experiments investigated the violation of the Pauli Exclusion Principle (PEP) since its discovery in 1925. The VIP (VIolation of the Pauli Principle) experiment tested the PEP by measuring the probability for an external electron to be captured and undergo a 2p to 1s transition during its cascading process, where the 1s state is already occupied by two electrons. This transition is forbidden by the Pauli Exclusion Principle. The VIP experiment resulted in a preliminary upper limit for the probability of the violation of the PEP of 4.7 x 10^{-29}. Currently a setup for the follow-up experiment VIP 2 is under preparation. The goal of this experiment is to improve the upper limit for the violation of the PEP by two orders of magnitude, by different improvements like enhanced energy resolution of the X-ray detectors and by implementing an active shielding. Here we report currently ongoing performance tests of the new parts of the setup. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.02991v1-abstract-full').style.display = 'none'; document.getElementById('1505.02991v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 May, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">EXA 2014 proceedings in Hyperfine Interactions (2015), Springer International Publishing</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1503.07667">arXiv:1503.07667</a> <span> [<a href="https://arxiv.org/pdf/1503.07667">pdf</a>, <a href="https://arxiv.org/format/1503.07667">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/631/1/012070">10.1088/1742-6596/631/1/012070 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> High sensitivity tests of the Pauli Exclusion Principle with VIP2 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+-">J. -P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Ishiwatari%2C+T">T. Ishiwatari</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pichler%2C+A">A. Pichler</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Ponta%2C+T">T. Ponta</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D+L">D. L. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+F">F. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sperandio%2C+L">L. Sperandio</a>, <a href="/search/physics?searchtype=author&query=Doce%2C+O+V">O. Vazquez Doce</a> , et al. (2 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1503.07667v1-abstract-short" style="display: inline;"> The Pauli Exclusion Principle is one of the most fundamental rules of nature and represents a pillar of modern physics. According to many observations the Pauli Exclusion Principle must be extremely well fulfilled. Nevertheless, numerous experimental investigations were performed to search for a small violation of this principle. The VIP experiment at the Gran Sasso underground laboratory searched… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1503.07667v1-abstract-full').style.display = 'inline'; document.getElementById('1503.07667v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1503.07667v1-abstract-full" style="display: none;"> The Pauli Exclusion Principle is one of the most fundamental rules of nature and represents a pillar of modern physics. According to many observations the Pauli Exclusion Principle must be extremely well fulfilled. Nevertheless, numerous experimental investigations were performed to search for a small violation of this principle. The VIP experiment at the Gran Sasso underground laboratory searched for Pauli-forbidden X-ray transitions in copper atoms using the Ramberg-Snow method and obtained the best limit so far. The follow-up experiment VIP2 is designed to reach even higher sensitivity. It aims to improve the limit by VIP by orders of magnitude. The experimental method, comparison of different PEP tests based on different assumptions and the developments for VIP2 are presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1503.07667v1-abstract-full').style.display = 'none'; document.getElementById('1503.07667v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 March, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, 3 figures, Proceedings DISCRETE2014 Conference</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1501.05548">arXiv:1501.05548</a> <span> [<a href="https://arxiv.org/pdf/1501.05548">pdf</a>, <a href="https://arxiv.org/format/1501.05548">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.5506/APhysPolB.46.101">10.5506/APhysPolB.46.101 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the strong interaction induced shift and width of the 1s state of kaonic deuterium at J-PARC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Zmeskal%2C+J">J. Zmeskal</a>, <a href="/search/physics?searchtype=author&query=Sato%2C+M">M. Sato</a>, <a href="/search/physics?searchtype=author&query=Ajimura%2C+S">S. Ajimura</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Beer%2C+G">G. Beer</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bhang%2C+H">H. Bhang</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Buehler%2C+P">P. Buehler</a>, <a href="/search/physics?searchtype=author&query=Busso%2C+L">L. Busso</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+S">S. Choi</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=D%27uffizi%2C+A">A. D'uffizi</a>, <a href="/search/physics?searchtype=author&query=Enomoto%2C+S">S. Enomoto</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">L. Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Faso%2C+D">D. Faso</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C. Fiorini</a>, <a href="/search/physics?searchtype=author&query=Fujioka%2C+H">H. Fujioka</a>, <a href="/search/physics?searchtype=author&query=Ghio%2C+F">F. Ghio</a>, <a href="/search/physics?searchtype=author&query=Golser%2C+R">R. Golser</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Hashimoto%2C+T">T. Hashimoto</a> , et al. (52 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1501.05548v1-abstract-short" style="display: inline;"> The antikaon-nucleon interaction close to threshold provides crucial information on the interplay between spontaneous and explicit chiral symmetry breaking in low-energy QCD. In this context the importance of kaonic deuterium X-ray spectroscopy has been well recognized, but no experimental results have yet been obtained due to the difficulty of the measurement. We propose to measure the shift and… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1501.05548v1-abstract-full').style.display = 'inline'; document.getElementById('1501.05548v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1501.05548v1-abstract-full" style="display: none;"> The antikaon-nucleon interaction close to threshold provides crucial information on the interplay between spontaneous and explicit chiral symmetry breaking in low-energy QCD. In this context the importance of kaonic deuterium X-ray spectroscopy has been well recognized, but no experimental results have yet been obtained due to the difficulty of the measurement. We propose to measure the shift and width of the kaonic deuterium 1s state with an accuracy of 60 eV and 140 eV respectively at J-PARC. These results together with the kaonic hydrogen data (KpX at KEK, DEAR and SIDDHARTA at DAFNE) will then permit the determination of values of both the isospin I=0 and I=1 antikaon-nucleon scattering lengths and will provide the most stringent constraints on the antikaon-nucleon interaction, promising a breakthrough. Refined Monte Carlo studies were performed, including the investigation of background suppression factors for the described setup. These studies have demonstrated the feasibility of determining the shift and width of the kaonic deuterium atom 1s state with the desired accuracy of 60 eV and 140 eV. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1501.05548v1-abstract-full').style.display = 'none'; document.getElementById('1501.05548v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 January, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">12 pages, 9 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1501.04462">arXiv:1501.04462</a> <span> [<a href="https://arxiv.org/pdf/1501.04462">pdf</a>, <a href="https://arxiv.org/format/1501.04462">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.5506/APhysPolB.46.147">10.5506/APhysPolB.46.147 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Beyond quantum mechanics? Hunting the 'impossible' atoms (Pauli Exclusion Principle violation and spontaneous collapse of the wave function at test) </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bassi%2C+A">A. Bassi</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+A+M">A. M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=Donadi%2C+S">S. Donadi</a>, <a href="/search/physics?searchtype=author&query=d%27Uffizi%2C+A">A. d'Uffizi</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J">J-P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Ishiwatari%2C+T">T. Ishiwatari</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Ponta%2C+T">T. Ponta</a>, <a href="/search/physics?searchtype=author&query=Sbardella%2C+E">E. Sbardella</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a> , et al. (5 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1501.04462v1-abstract-short" style="display: inline;"> The development of mathematically complete and consistent models solving the so-called "measurement problem", strongly renewed the interest of the scientific community for the foundations of quantum mechanics, among these the Dynamical Reduction Models posses the unique characteristic to be experimentally testable. In the first part of the paper an upper limit on the reduction rate parameter of su… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1501.04462v1-abstract-full').style.display = 'inline'; document.getElementById('1501.04462v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1501.04462v1-abstract-full" style="display: none;"> The development of mathematically complete and consistent models solving the so-called "measurement problem", strongly renewed the interest of the scientific community for the foundations of quantum mechanics, among these the Dynamical Reduction Models posses the unique characteristic to be experimentally testable. In the first part of the paper an upper limit on the reduction rate parameter of such models will be obtained, based on the analysis of the X-ray spectrum emitted by an isolated slab of germanium and measured by the IGEX experiment. The second part of the paper is devoted to present the results of the VIP (Violation of the Pauli exclusion principle) experiment and to describe its recent upgrade. The VIP experiment established a limit on the probability that the Pauli Exclusion Principle (PEP) is violated by electrons, using the very clean method of searching for PEP forbidden atomic transitions in copper. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1501.04462v1-abstract-full').style.display = 'none'; document.getElementById('1501.04462v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 January, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2015. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1405.1634">arXiv:1405.1634</a> <span> [<a href="https://arxiv.org/pdf/1405.1634">pdf</a>, <a href="https://arxiv.org/format/1405.1634">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.phpro.2014.12.002">10.1016/j.phpro.2014.12.002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Testing the Pauli Exclusion Principle for electrons at LNGS </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Shi%2C+H">H. Shi</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+A+M">A. M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=d%27Uffizi%2C+A">A. d'Uffizi</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+-">J. -P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Ishiwatari%2C+T">T. Ishiwatari</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Piscicchia%2C+K">K. Piscicchia</a>, <a href="/search/physics?searchtype=author&query=Ponta%2C+T">T. Ponta</a>, <a href="/search/physics?searchtype=author&query=Vidal%2C+A+R">A. Romero Vidal</a>, <a href="/search/physics?searchtype=author&query=Sbardella%2C+E">E. Sbardella</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D+L">D. L. Sirghi</a> , et al. (5 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1405.1634v1-abstract-short" style="display: inline;"> High-precision experiments have been done to test the Pauli exclusion principle (PEP) for electrons by searching for anomalous $K$-series X-rays from a Cu target supplied with electric current. With the highest sensitivity, the VIP (VIolation of Pauli Exclusion Principle) experiment set an upper limit at the level of $10^{-29}$ for the probability that an external electron captured by a Cu atom ca… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.1634v1-abstract-full').style.display = 'inline'; document.getElementById('1405.1634v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1405.1634v1-abstract-full" style="display: none;"> High-precision experiments have been done to test the Pauli exclusion principle (PEP) for electrons by searching for anomalous $K$-series X-rays from a Cu target supplied with electric current. With the highest sensitivity, the VIP (VIolation of Pauli Exclusion Principle) experiment set an upper limit at the level of $10^{-29}$ for the probability that an external electron captured by a Cu atom can make the transition from the 2$p$ state to a 1$s$ state already occupied by two electrons. In a follow-up experiment at Gran Sasso, we aim to increase the sensitivity by two orders of magnitude. We show proofs that the proposed improvement factor is realistic based on the results from recent performance tests of the detectors we did at Laboratori Nazionali di Frascati (LNF). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.1634v1-abstract-full').style.display = 'none'; document.getElementById('1405.1634v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 May, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">8 pages, 5 figures, conference proceedings on TAUP 2013</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Physics Procedia, 61 (2015) 552-559 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1312.4153">arXiv:1312.4153</a> <span> [<a href="https://arxiv.org/pdf/1312.4153">pdf</a>, <a href="https://arxiv.org/format/1312.4153">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/9/03/C03010">10.1088/1748-0221/9/03/C03010 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Time resolution below 100 ps for the SciTil detector of PANDA employing SiPM </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Brunner%2C+S+E">S. E. Brunner</a>, <a href="/search/physics?searchtype=author&query=Gruber%2C+L">L. Gruber</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Orth%2C+H">H. Orth</a>, <a href="/search/physics?searchtype=author&query=Suzuki%2C+K">K. Suzuki</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1312.4153v2-abstract-short" style="display: inline;"> The barrel time-of-flight (TOF) detector for the PANDA experiment at FAIR in Darmstadt is planned as a scintillator tile hodoscope (SciTil) using 8000 small scintillator tiles. It will provide fast event timing for a software trigger in the otherwise trigger-less data acquisition scheme of PANDA, relative timing in a multiple track event topology as well as additional particle identification in th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1312.4153v2-abstract-full').style.display = 'inline'; document.getElementById('1312.4153v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1312.4153v2-abstract-full" style="display: none;"> The barrel time-of-flight (TOF) detector for the PANDA experiment at FAIR in Darmstadt is planned as a scintillator tile hodoscope (SciTil) using 8000 small scintillator tiles. It will provide fast event timing for a software trigger in the otherwise trigger-less data acquisition scheme of PANDA, relative timing in a multiple track event topology as well as additional particle identification in the low momentum region. The goal is to achieve a time resolution of sigma ~ 100 ps. We have conducted measurements using organic scintillators coupled to Silicon Photomultipliers (SiPM). The results are encouraging such that we are confident to reach the required time resolution. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1312.4153v2-abstract-full').style.display = 'none'; document.getElementById('1312.4153v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 January, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 December, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 7 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1305.6257">arXiv:1305.6257</a> <span> [<a href="https://arxiv.org/pdf/1305.6257">pdf</a>, <a href="https://arxiv.org/format/1305.6257">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Medical Physics">physics.med-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1109/TNS.2013.2281667">10.1109/TNS.2013.2281667 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Studies on the Cherenkov Effect for Improved Time Resolution of TOF-PET </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Brunner%2C+S+E">S. E. Brunner</a>, <a href="/search/physics?searchtype=author&query=Gruber%2C+L">L. Gruber</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Suzuki%2C+K">K. Suzuki</a>, <a href="/search/physics?searchtype=author&query=Hirtl%2C+A">A. Hirtl</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1305.6257v2-abstract-short" style="display: inline;"> With the newly gained interest in the time of flight method for positron emission tomography (TOF-PET), many options for pushing the time resolution to its borders have been investigated. As one of these options the exploitation of the Cherenkov effect has been proposed, since it allows to bypass the scintillation process and therefore provides almost instantaneous response to incident 511keV anni… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.6257v2-abstract-full').style.display = 'inline'; document.getElementById('1305.6257v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1305.6257v2-abstract-full" style="display: none;"> With the newly gained interest in the time of flight method for positron emission tomography (TOF-PET), many options for pushing the time resolution to its borders have been investigated. As one of these options the exploitation of the Cherenkov effect has been proposed, since it allows to bypass the scintillation process and therefore provides almost instantaneous response to incident 511keV annihilation photons. Our simulation studies on the yield of Cherenkov photons, their arrival rate at the photon detector and their angular distribution reveal a significant influence by Cherenkov photons on the rise time of inorganic scintillators - a key-parameter for TOF in PET. A measurement shows the feasibility to detect Cherenkov photons in this low energy range. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.6257v2-abstract-full').style.display = 'none'; document.getElementById('1305.6257v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 November, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 27 May, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2013. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1305.5944">arXiv:1305.5944</a> <span> [<a href="https://arxiv.org/pdf/1305.5944">pdf</a>, <a href="https://arxiv.org/format/1305.5944">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2013.05.187">10.1016/j.nima.2013.05.187 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Efficiency and uniformity measurements of a light concentrator in combination with a SiPM array </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Rihl%2C+M">Mariana Rihl</a>, <a href="/search/physics?searchtype=author&query=Brunner%2C+S+E">Stefan Enrico Brunner</a>, <a href="/search/physics?searchtype=author&query=Gruber%2C+L">Lukas Gruber</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">Johann Marton</a>, <a href="/search/physics?searchtype=author&query=Suzuki%2C+K">Ken Suzuki</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1305.5944v2-abstract-short" style="display: inline;"> A position sensitive Cherenkov detector was built, consisting of 64 SiPMs with an active area of 3x3 mm^2 and a pixel size of 100x100 渭m^2. The sensitive area is increased by a light concentrator which consists of 64 pyramid-shaped funnels. These funnels have an entrance area of 7x7 mm^2 and an exit area of 3x3 mm^2, guaranteeing a sufficient position resolution e.g. for the barrel DIRC detector o… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.5944v2-abstract-full').style.display = 'inline'; document.getElementById('1305.5944v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1305.5944v2-abstract-full" style="display: none;"> A position sensitive Cherenkov detector was built, consisting of 64 SiPMs with an active area of 3x3 mm^2 and a pixel size of 100x100 渭m^2. The sensitive area is increased by a light concentrator which consists of 64 pyramid-shaped funnels. These funnels have an entrance area of 7x7 mm^2 and an exit area of 3x3 mm^2, guaranteeing a sufficient position resolution e.g. for the barrel DIRC detector of the PANDA experiment at FAIR. The efficiency and uniformity of the light concentrator in combination with the SiPM array was tested by scanning the array in two dimensions, using a pulsed light beam. Results of these tests and comparison with simulations are given here. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.5944v2-abstract-full').style.display = 'none'; document.getElementById('1305.5944v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 November, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 25 May, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">4 pages, 8 figures, VCI 2013 conference proceedings</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1305.1560">arXiv:1305.1560</a> <span> [<a href="https://arxiv.org/pdf/1305.1560">pdf</a>, <a href="https://arxiv.org/format/1305.1560">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2013.05.028">10.1016/j.nima.2013.05.028 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> New Approaches for Improvement of TOF-PET </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Brunner%2C+S+E">Stefan E. Brunner</a>, <a href="/search/physics?searchtype=author&query=Gruber%2C+L">Lukas Gruber</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">Johann Marton</a>, <a href="/search/physics?searchtype=author&query=Suzuki%2C+K">Ken Suzuki</a>, <a href="/search/physics?searchtype=author&query=Hirtl%2C+A">Albert Hirtl</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1305.1560v2-abstract-short" style="display: inline;"> We present results of simulations on the influence of photon propagation and the Cherenkov effect on the time resolution of LSO:Ce scintillators. The influence of the scintillator length on the coincidence time resolution is shown. Furthermore, the impact of the depth of interaction on the time resolution, the light output and the arrival time distribution at the photon detector is simulated and i… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.1560v2-abstract-full').style.display = 'inline'; document.getElementById('1305.1560v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1305.1560v2-abstract-full" style="display: none;"> We present results of simulations on the influence of photon propagation and the Cherenkov effect on the time resolution of LSO:Ce scintillators. The influence of the scintillator length on the coincidence time resolution is shown. Furthermore, the impact of the depth of interaction on the time resolution, the light output and the arrival time distribution at the photon detector is simulated and it is shown how these information can be used for time walk correction. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.1560v2-abstract-full').style.display = 'none'; document.getElementById('1305.1560v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 May, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 7 May, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2013. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1304.2493">arXiv:1304.2493</a> <span> [<a href="https://arxiv.org/pdf/1304.2493">pdf</a>, <a href="https://arxiv.org/format/1304.2493">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2013.11.013">10.1016/j.nima.2013.11.013 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Over saturation behavior of SiPMs at high photon exposure </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Gruber%2C+L">L. Gruber</a>, <a href="/search/physics?searchtype=author&query=Brunner%2C+S+E">S. E. Brunner</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Suzuki%2C+K">K. Suzuki</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1304.2493v3-abstract-short" style="display: inline;"> Several types of Silicon Photomultipliers were exposed to short pulsed laser light (~ 30 ps FWHM) with its intensity varying from single photon to well above the number of microcells of the device. We observed a significant deviation of the output of SiPMs from the expected behavior although such response curve is considered to be rather trivial. We also noticed that the output exceeds the maximum… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1304.2493v3-abstract-full').style.display = 'inline'; document.getElementById('1304.2493v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1304.2493v3-abstract-full" style="display: none;"> Several types of Silicon Photomultipliers were exposed to short pulsed laser light (~ 30 ps FWHM) with its intensity varying from single photon to well above the number of microcells of the device. We observed a significant deviation of the output of SiPMs from the expected behavior although such response curve is considered to be rather trivial. We also noticed that the output exceeds the maximum expected pulse height, which should be defined as the total number of pixels times the single photon pulse height. At the highest light intensity (~ 500 times the number of pixels) that we tested, the signal output reached up to twice the maximum theoretical pulse height, and still did not fully saturate. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1304.2493v3-abstract-full').style.display = 'none'; document.getElementById('1304.2493v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 November, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 April, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2013. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1302.7218">arXiv:1302.7218</a> <span> [<a href="https://arxiv.org/pdf/1302.7218">pdf</a>, <a href="https://arxiv.org/ps/1302.7218">ps</a>, <a href="https://arxiv.org/format/1302.7218">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Testing the Pauli Exclusion Principle for Electrons </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Bartalucci%2C+S">S. Bartalucci</a>, <a href="/search/physics?searchtype=author&query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/physics?searchtype=author&query=Berucci%2C+C">C. Berucci</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">C. Curceanu</a>, <a href="/search/physics?searchtype=author&query=Di+Matteo%2C+S">S. Di Matteo</a>, <a href="/search/physics?searchtype=author&query=Egger%2C+J+-">J. -P. Egger</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Ishiwatari%2C+T">T. Ishiwatari</a>, <a href="/search/physics?searchtype=author&query=Laubenstein%2C+M">M. Laubenstein</a>, <a href="/search/physics?searchtype=author&query=Milotti%2C+E">E. Milotti</a>, <a href="/search/physics?searchtype=author&query=Pietreanu%2C+D">D. Pietreanu</a>, <a href="/search/physics?searchtype=author&query=Pisciccia%2C+K">K. Pisciccia</a>, <a href="/search/physics?searchtype=author&query=Ponta%2C+T">T. Ponta</a>, <a href="/search/physics?searchtype=author&query=Romero-Vidal%2C+A">A. Romero-Vidal</a>, <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+D+L">D. L. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sirghi%2C+F">F. Sirghi</a>, <a href="/search/physics?searchtype=author&query=Sperandio%2C+L">L. Sperandio</a>, <a href="/search/physics?searchtype=author&query=Doce%2C+O+V">O. Vazquez Doce</a>, <a href="/search/physics?searchtype=author&query=Widmann%2C+E">E. Widmann</a>, <a href="/search/physics?searchtype=author&query=Zmeskal%2C+J">J. Zmeskal</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1302.7218v5-abstract-short" style="display: inline;"> One of the fundamental rules of nature and a pillar in the foundation of quantum theory and thus of modern physics is represented by the Pauli Exclusion Principle. We know that this principle is extremely well fulfilled due to many observations. Numerous experiments were performed to search for tiny violation of this rule in various systems. The experiment VIP at the Gran Sasso underground laborat… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1302.7218v5-abstract-full').style.display = 'inline'; document.getElementById('1302.7218v5-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1302.7218v5-abstract-full" style="display: none;"> One of the fundamental rules of nature and a pillar in the foundation of quantum theory and thus of modern physics is represented by the Pauli Exclusion Principle. We know that this principle is extremely well fulfilled due to many observations. Numerous experiments were performed to search for tiny violation of this rule in various systems. The experiment VIP at the Gran Sasso underground laboratory is searching for possible small violations of the Pauli Exclusion Principle for electrons leading to forbidden X-ray transitions in copper atoms. VIP is aiming at a test of the Pauli Exclusion Principle for electrons with high accuracy, down to the level of 10$^{-29}$ - 10$^{-30}$, thus improving the previous limit by 3-4 orders of magnitude. The experimental method, results obtained so far and new developments within VIP2 (follow-up experiment at Gran Sasso, in preparation) to further increase the precision by 2 orders of magnitude will be presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1302.7218v5-abstract-full').style.display = 'none'; document.getElementById('1302.7218v5-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 May, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 February, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Proceedings DISCRETE 2012-Third Symposium on Prospects in the Physics of Discrete Symmetries, Lisbon, December 3-7, 2012</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1207.6581">arXiv:1207.6581</a> <span> [<a href="https://arxiv.org/pdf/1207.6581">pdf</a>, <a href="https://arxiv.org/format/1207.6581">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Technical Design Report for the: PANDA Micro Vertex Detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=PANDA+Collaboration"> PANDA Collaboration</a>, <a href="/search/physics?searchtype=author&query=Erni%2C+W">W. Erni</a>, <a href="/search/physics?searchtype=author&query=Keshelashvili%2C+I">I. Keshelashvili</a>, <a href="/search/physics?searchtype=author&query=Krusche%2C+B">B. Krusche</a>, <a href="/search/physics?searchtype=author&query=Steinacher%2C+M">M. Steinacher</a>, <a href="/search/physics?searchtype=author&query=Heng%2C+Y">Y. Heng</a>, <a href="/search/physics?searchtype=author&query=Liu%2C+Z">Z. Liu</a>, <a href="/search/physics?searchtype=author&query=Liu%2C+H">H. Liu</a>, <a href="/search/physics?searchtype=author&query=Shen%2C+X">X. Shen</a>, <a href="/search/physics?searchtype=author&query=Wang%2C+Q">Q. Wang</a>, <a href="/search/physics?searchtype=author&query=Xu%2C+H">H. Xu</a>, <a href="/search/physics?searchtype=author&query=Albrecht%2C+M">M. Albrecht</a>, <a href="/search/physics?searchtype=author&query=Becker%2C+J">J. Becker</a>, <a href="/search/physics?searchtype=author&query=Eickel%2C+K">K. Eickel</a>, <a href="/search/physics?searchtype=author&query=Feldbauer%2C+F">F. Feldbauer</a>, <a href="/search/physics?searchtype=author&query=Fink%2C+M">M. Fink</a>, <a href="/search/physics?searchtype=author&query=Friedel%2C+P">P. Friedel</a>, <a href="/search/physics?searchtype=author&query=Heinsius%2C+F+H">F. H. Heinsius</a>, <a href="/search/physics?searchtype=author&query=Held%2C+T">T. Held</a>, <a href="/search/physics?searchtype=author&query=Koch%2C+H">H. Koch</a>, <a href="/search/physics?searchtype=author&query=Kopf%2C+B">B. Kopf</a>, <a href="/search/physics?searchtype=author&query=Leyhe%2C+M">M. Leyhe</a>, <a href="/search/physics?searchtype=author&query=Motzko%2C+C">C. Motzko</a>, <a href="/search/physics?searchtype=author&query=Peliz%C3%A4us%2C+M">M. Peliz盲us</a>, <a href="/search/physics?searchtype=author&query=Pychy%2C+J">J. Pychy</a> , et al. (436 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1207.6581v2-abstract-short" style="display: inline;"> This document illustrates the technical layout and the expected performance of the Micro Vertex Detector (MVD) of the PANDA experiment. The MVD will detect charged particles as close as possible to the interaction zone. Design criteria and the optimisation process as well as the technical solutions chosen are discussed and the results of this process are subjected to extensive Monte Carlo physics… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1207.6581v2-abstract-full').style.display = 'inline'; document.getElementById('1207.6581v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1207.6581v2-abstract-full" style="display: none;"> This document illustrates the technical layout and the expected performance of the Micro Vertex Detector (MVD) of the PANDA experiment. The MVD will detect charged particles as close as possible to the interaction zone. Design criteria and the optimisation process as well as the technical solutions chosen are discussed and the results of this process are subjected to extensive Monte Carlo physics studies. The route towards realisation of the detector is outlined. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1207.6581v2-abstract-full').style.display = 'none'; document.getElementById('1207.6581v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 August, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 27 July, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">189 pages, 225 figures, 41 tables</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1206.0077">arXiv:1206.0077</a> <span> [<a href="https://arxiv.org/pdf/1206.0077">pdf</a>, <a href="https://arxiv.org/ps/1206.0077">ps</a>, <a href="https://arxiv.org/format/1206.0077">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1093/ptep/pts039">10.1093/ptep/pts039 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The K1.8BR spectrometer system at J-PARC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Agari%2C+K">Keizo Agari</a>, <a href="/search/physics?searchtype=author&query=Ajimura%2C+S">Shuhei Ajimura</a>, <a href="/search/physics?searchtype=author&query=Beer%2C+G">George Beer</a>, <a href="/search/physics?searchtype=author&query=Bhang%2C+H">Hyoungchan Bhang</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">Mario Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Buehler%2C+P">Paul Buehler</a>, <a href="/search/physics?searchtype=author&query=Busso%2C+L">Luigi Busso</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">Michael Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+S">Seonho Choi</a>, <a href="/search/physics?searchtype=author&query=Curceanu%2C+C">Catalina Curceanu</a>, <a href="/search/physics?searchtype=author&query=Enomoto%2C+S">Shun Enomoto</a>, <a href="/search/physics?searchtype=author&query=Faso%2C+D">Diego Faso</a>, <a href="/search/physics?searchtype=author&query=Fujioka%2C+H">Hiroyuki Fujioka</a>, <a href="/search/physics?searchtype=author&query=Fujiwara%2C+Y">Yuya Fujiwara</a>, <a href="/search/physics?searchtype=author&query=Fukuda%2C+T">Tomokazu Fukuda</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">Carlo Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Hashimoto%2C+T">Tadashi Hashimoto</a>, <a href="/search/physics?searchtype=author&query=Hayano%2C+R+S">Ryugo S. Hayano</a>, <a href="/search/physics?searchtype=author&query=Hiraiwa%2C+T">Toshihiko Hiraiwa</a>, <a href="/search/physics?searchtype=author&query=Hirose%2C+E">Erina Hirose</a>, <a href="/search/physics?searchtype=author&query=Ieiri%2C+M">Masaharu Ieiri</a>, <a href="/search/physics?searchtype=author&query=Iio%2C+M">Masami Iio</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">Mihai Iliescu</a>, <a href="/search/physics?searchtype=author&query=Inoue%2C+K">Kentaro Inoue</a>, <a href="/search/physics?searchtype=author&query=Ishiguro%2C+Y">Yosuke Ishiguro</a> , et al. (60 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1206.0077v2-abstract-short" style="display: inline;"> A new spectrometer system was designed and constructed at the secondary beam line K1.8BR in the hadron hall of J-PARC to investigate $\bar K N$ interactions and $\bar K$-nuclear bound systems. The spectrometer consists of a high precision beam line spectrometer, a liquid $^3$He/$^4$He/D$_2$ target system, a Cylindrical Detector System that surrounds the target to detect the decay particles from th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1206.0077v2-abstract-full').style.display = 'inline'; document.getElementById('1206.0077v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1206.0077v2-abstract-full" style="display: none;"> A new spectrometer system was designed and constructed at the secondary beam line K1.8BR in the hadron hall of J-PARC to investigate $\bar K N$ interactions and $\bar K$-nuclear bound systems. The spectrometer consists of a high precision beam line spectrometer, a liquid $^3$He/$^4$He/D$_2$ target system, a Cylindrical Detector System that surrounds the target to detect the decay particles from the target region, and a neutron time-of-flight counter array located $\sim$15 m downstream from the target position. Details of the design, construction, and performance of the detector components are described. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1206.0077v2-abstract-full').style.display = 'none'; document.getElementById('1206.0077v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 November, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 1 June, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">33 pages, 25 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Prog. Theor. Exp. Phys. (2012) 02B011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1205.5441">arXiv:1205.5441</a> <span> [<a href="https://arxiv.org/pdf/1205.5441">pdf</a>, <a href="https://arxiv.org/format/1205.5441">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epja/i2013-13025-8">10.1140/epja/i2013-13025-8 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Technical Design Report for the: PANDA Straw Tube Tracker </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=PANDA+Collaboration"> PANDA Collaboration</a>, <a href="/search/physics?searchtype=author&query=Erni%2C+W">W. Erni</a>, <a href="/search/physics?searchtype=author&query=Keshelashvili%2C+I">I. Keshelashvili</a>, <a href="/search/physics?searchtype=author&query=Krusche%2C+B">B. Krusche</a>, <a href="/search/physics?searchtype=author&query=Steinacher%2C+M">M. Steinacher</a>, <a href="/search/physics?searchtype=author&query=Heng%2C+Y">Y. Heng</a>, <a href="/search/physics?searchtype=author&query=Liu%2C+Z">Z. Liu</a>, <a href="/search/physics?searchtype=author&query=Liu%2C+H">H. Liu</a>, <a href="/search/physics?searchtype=author&query=Shen%2C+X">X. Shen</a>, <a href="/search/physics?searchtype=author&query=Wang%2C+Q">Q. Wang</a>, <a href="/search/physics?searchtype=author&query=Xu%2C+H">H. Xu</a>, <a href="/search/physics?searchtype=author&query=Aab%2C+A">A. Aab</a>, <a href="/search/physics?searchtype=author&query=Albrecht%2C+M">M. Albrecht</a>, <a href="/search/physics?searchtype=author&query=Becker%2C+J">J. Becker</a>, <a href="/search/physics?searchtype=author&query=Csap%C3%B3%2C+A">A. Csap贸</a>, <a href="/search/physics?searchtype=author&query=Feldbauer%2C+F">F. Feldbauer</a>, <a href="/search/physics?searchtype=author&query=Fink%2C+M">M. Fink</a>, <a href="/search/physics?searchtype=author&query=Friedel%2C+P">P. Friedel</a>, <a href="/search/physics?searchtype=author&query=Heinsius%2C+F+H">F. H. Heinsius</a>, <a href="/search/physics?searchtype=author&query=Held%2C+T">T. Held</a>, <a href="/search/physics?searchtype=author&query=Klask%2C+L">L. Klask</a>, <a href="/search/physics?searchtype=author&query=Koch%2C+H">H. Koch</a>, <a href="/search/physics?searchtype=author&query=Kopf%2C+B">B. Kopf</a>, <a href="/search/physics?searchtype=author&query=Leiber%2C+S">S. Leiber</a>, <a href="/search/physics?searchtype=author&query=Leyhe%2C+M">M. Leyhe</a> , et al. (451 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1205.5441v2-abstract-short" style="display: inline;"> This document describes the technical layout and the expected performance of the Straw Tube Tracker (STT), the main tracking detector of the PANDA target spectrometer. The STT encloses a Micro-Vertex-Detector (MVD) for the inner tracking and is followed in beam direction by a set of GEM-stations. The tasks of the STT are the measurement of the particle momentum from the reconstructed trajectory an… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1205.5441v2-abstract-full').style.display = 'inline'; document.getElementById('1205.5441v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1205.5441v2-abstract-full" style="display: none;"> This document describes the technical layout and the expected performance of the Straw Tube Tracker (STT), the main tracking detector of the PANDA target spectrometer. The STT encloses a Micro-Vertex-Detector (MVD) for the inner tracking and is followed in beam direction by a set of GEM-stations. The tasks of the STT are the measurement of the particle momentum from the reconstructed trajectory and the measurement of the specific energy-loss for a particle identification. Dedicated simulations with full analysis studies of certain proton-antiproton reactions, identified as being benchmark tests for the whole PANDA scientific program, have been performed to test the STT layout and performance. The results are presented, and the time lines to construct the STT are described. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1205.5441v2-abstract-full').style.display = 'none'; document.getElementById('1205.5441v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 June, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 May, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">accepted for publication on EPJA</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. A (2013) 49: 25 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1111.3491">arXiv:1111.3491</a> <span> [<a href="https://arxiv.org/pdf/1111.3491">pdf</a>, <a href="https://arxiv.org/format/1111.3491">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/6/11/C11024">10.1088/1748-0221/6/11/C11024 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Position sensitive SiPM detector for Cherenkov applications </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Gruber%2C+L">L. Gruber</a>, <a href="/search/physics?searchtype=author&query=Ahmed%2C+G+S+M">G. S. M. Ahmed</a>, <a href="/search/physics?searchtype=author&query=Brunner%2C+S+E">S. E. Brunner</a>, <a href="/search/physics?searchtype=author&query=B%C3%BChler%2C+P">P. B眉hler</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Suzuki%2C+K">K. Suzuki</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1111.3491v1-abstract-short" style="display: inline;"> A prototype of a position sensitive photo-detector with 5.6 x 5.6 cm2 detection area readout with 64 Hamamatsu MPPCs (S10931-100P) with 3 x 3 mm2 active area each has been built and tested. The photo-sensors are arranged in a 8 x 8 array with a quadratic mirror light guide on top. The module is currently readout by in-house developed preamplifier boards but employing existing ASIC chips optimized… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1111.3491v1-abstract-full').style.display = 'inline'; document.getElementById('1111.3491v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1111.3491v1-abstract-full" style="display: none;"> A prototype of a position sensitive photo-detector with 5.6 x 5.6 cm2 detection area readout with 64 Hamamatsu MPPCs (S10931-100P) with 3 x 3 mm2 active area each has been built and tested. The photo-sensors are arranged in a 8 x 8 array with a quadratic mirror light guide on top. The module is currently readout by in-house developed preamplifier boards but employing existing ASIC chips optimized for SiPM readout is also planned. Such a device is one of the candidates to be used for photon detection in the PANDA DIRC detectors. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1111.3491v1-abstract-full').style.display = 'none'; document.getElementById('1111.3491v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 November, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2011. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1008.5266">arXiv:1008.5266</a> <span> [<a href="https://arxiv.org/pdf/1008.5266">pdf</a>, <a href="https://arxiv.org/format/1008.5266">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Application of Geiger-mode photo sensors in Cherenkov detectors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Ahmed%2C+G">Gamal Ahmed</a>, <a href="/search/physics?searchtype=author&query=Buehler%2C+P">Paul Buehler</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">Michael Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Hohler%2C+R">Roland Hohler</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">Johann Marton</a>, <a href="/search/physics?searchtype=author&query=Orth%2C+H">Herbert Orth</a>, <a href="/search/physics?searchtype=author&query=Suzuki%2C+K">Ken Suzuki</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1008.5266v1-abstract-short" style="display: inline;"> Silicon-based photosensors (SiPMs) working in the Geiger-mode represent an elegant solution for the readout of particle detectors working at low-light levels like Cherenkov detectors. Especially the insensitivity to magnetic fields makes this kind of sensors suitable for modern detector systems in subatomic physics which are usually employing magnets for momentum resolution. In our institute we ar… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1008.5266v1-abstract-full').style.display = 'inline'; document.getElementById('1008.5266v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1008.5266v1-abstract-full" style="display: none;"> Silicon-based photosensors (SiPMs) working in the Geiger-mode represent an elegant solution for the readout of particle detectors working at low-light levels like Cherenkov detectors. Especially the insensitivity to magnetic fields makes this kind of sensors suitable for modern detector systems in subatomic physics which are usually employing magnets for momentum resolution. In our institute we are characterizing SiPMs of different manufacturers for selecting sensors and finding optimum operating conditions for given applications. Recently we designed and built a light concentrator prototype with 8x8 cells to increase the active photon detection area of an 8x8 SiPM (Hamamatsu MPPC S10931-100P) array. Monte Carlo studies, measurements of the collection efficiency, and tests with the MPPC were carried out. The status of these developments are presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1008.5266v1-abstract-full').style.display = 'none'; document.getElementById('1008.5266v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 31 August, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2010. </p> </li> </ol> <nav class="pagination is-small is-centered breathe-horizontal" role="navigation" aria-label="pagination"> <a href="" class="pagination-previous is-invisible">Previous </a> <a href="/search/?searchtype=author&query=Marton%2C+J&start=50" class="pagination-next" >Next </a> <ul class="pagination-list"> <li> <a href="/search/?searchtype=author&query=Marton%2C+J&start=0" class="pagination-link is-current" aria-label="Goto page 1">1 </a> </li> <li> <a 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